aboutsummaryrefslogtreecommitdiffstats
path: root/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2883-drm-amd-display-Integrating-MPC-pseudocode.patch
diff options
context:
space:
mode:
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2883-drm-amd-display-Integrating-MPC-pseudocode.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2883-drm-amd-display-Integrating-MPC-pseudocode.patch1304
1 files changed, 1304 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2883-drm-amd-display-Integrating-MPC-pseudocode.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2883-drm-amd-display-Integrating-MPC-pseudocode.patch
new file mode 100644
index 00000000..e59f873d
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2883-drm-amd-display-Integrating-MPC-pseudocode.patch
@@ -0,0 +1,1304 @@
+From e17072b670dff547ec1638a5ca2cac3d33592f2a Mon Sep 17 00:00:00 2001
+From: Eric Bernstein <eric.bernstein@amd.com>
+Date: Mon, 6 Nov 2017 16:38:55 -0500
+Subject: [PATCH 2883/4131] drm/amd/display: Integrating MPC pseudocode
+
+Integrating MPC pseudocode to support new blending cases
+with secondary MPCC list.
+This includes a design change to MPC data structures and
+interfaces.
+
+Signed-off-by: Eric Bernstein <eric.bernstein@amd.com>
+Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
+Acked-by: Harry Wentland <harry.wentland@amd.com>
+---
+ drivers/gpu/drm/amd/display/dc/dc_hw_types.h | 2 -
+ .../drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 144 +++---
+ drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c | 535 ++++++++++++---------
+ drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.h | 93 +++-
+ drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c | 9 +-
+ drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h | 164 ++++++-
+ drivers/gpu/drm/amd/display/dc/inc/hw/opp.h | 3 +-
+ 7 files changed, 594 insertions(+), 356 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/dc_hw_types.h b/drivers/gpu/drm/amd/display/dc/dc_hw_types.h
+index 587c0bb..03029f7 100644
+--- a/drivers/gpu/drm/amd/display/dc/dc_hw_types.h
++++ b/drivers/gpu/drm/amd/display/dc/dc_hw_types.h
+@@ -579,8 +579,6 @@ enum dc_timing_standard {
+ TIMING_STANDARD_MAX
+ };
+
+-
+-
+ enum dc_color_depth {
+ COLOR_DEPTH_UNDEFINED,
+ COLOR_DEPTH_666,
+diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+index 8e2ddbc..3abd6d9 100644
+--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+@@ -573,28 +573,25 @@ static void plane_atomic_disconnect(struct dc *dc, struct pipe_ctx *pipe_ctx)
+ int fe_idx = pipe_ctx->pipe_idx;
+ struct hubp *hubp = dc->res_pool->hubps[fe_idx];
+ struct mpc *mpc = dc->res_pool->mpc;
+- int opp_id, z_idx;
+- int mpcc_id = -1;
++ int opp_id;
++ struct mpc_tree *mpc_tree_params;
++ struct mpcc *mpcc_to_remove = NULL;
+
+ /* look at tree rather than mi here to know if we already reset */
+ for (opp_id = 0; opp_id < dc->res_pool->pipe_count; opp_id++) {
+ struct output_pixel_processor *opp = dc->res_pool->opps[opp_id];
+
+- for (z_idx = 0; z_idx < opp->mpc_tree.num_pipes; z_idx++) {
+- if (opp->mpc_tree.dpp[z_idx] == fe_idx) {
+- mpcc_id = opp->mpc_tree.mpcc[z_idx];
+- break;
+- }
+- }
+- if (mpcc_id != -1)
++ mpc_tree_params = &(opp->mpc_tree_params);
++ mpcc_to_remove = mpc->funcs->get_mpcc_for_dpp(mpc_tree_params, fe_idx);
++ if (mpcc_to_remove != NULL)
+ break;
+ }
++
+ /*Already reset*/
+ if (opp_id == dc->res_pool->pipe_count)
+ return;
+
+- mpc->funcs->remove(mpc, &(dc->res_pool->opps[opp_id]->mpc_tree),
+- dc->res_pool->opps[opp_id]->inst, fe_idx);
++ mpc->funcs->remove_mpcc(mpc, mpc_tree_params, mpcc_to_remove);
+
+ if (hubp->funcs->hubp_disconnect)
+ hubp->funcs->hubp_disconnect(hubp);
+@@ -652,7 +649,7 @@ static void plane_atomic_disable(struct dc *dc, struct pipe_ctx *pipe_ctx)
+ REG_UPDATE(DPP_CONTROL[fe_idx],
+ DPP_CLOCK_ENABLE, 0);
+
+- if (opp_id != 0xf && dc->res_pool->opps[opp_id]->mpc_tree.num_pipes == 0)
++ if (opp_id != 0xf && dc->res_pool->opps[opp_id]->mpc_tree_params.opp_list == NULL)
+ REG_UPDATE(OPP_PIPE_CONTROL[opp_id],
+ OPP_PIPE_CLOCK_EN, 0);
+
+@@ -677,7 +674,7 @@ static void dcn10_disable_plane(struct dc *dc, struct pipe_ctx *pipe_ctx)
+
+ static void dcn10_init_hw(struct dc *dc)
+ {
+- int i;
++ int i, opp_id;
+ struct abm *abm = dc->res_pool->abm;
+ struct dmcu *dmcu = dc->res_pool->dmcu;
+ struct dce_hwseq *hws = dc->hwseq;
+@@ -740,17 +737,19 @@ static void dcn10_init_hw(struct dc *dc)
+ }
+ }
+
++ /* Initialize MPC tree based on HW values */
++ for (opp_id = 0; opp_id < dc->res_pool->pipe_count; opp_id++) {
++ struct output_pixel_processor *opp = dc->res_pool->opps[opp_id];
++ struct mpc_tree *mpc_tree_params = &(opp->mpc_tree_params);
++
++ dc->res_pool->mpc->funcs->init_mpcc_list_from_hw(dc->res_pool->mpc, mpc_tree_params);
++ }
++
+ for (i = 0; i < dc->res_pool->pipe_count; i++) {
+ struct timing_generator *tg = dc->res_pool->timing_generators[i];
+ struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
+- struct output_pixel_processor *opp = dc->res_pool->opps[i];
+- struct mpc_tree_cfg *mpc_tree = &opp->mpc_tree;
+ struct hubp *hubp = dc->res_pool->hubps[i];
+
+- mpc_tree->dpp[0] = i;
+- mpc_tree->mpcc[0] = i;
+- mpc_tree->num_pipes = 1;
+-
+ pipe_ctx->stream_res.tg = tg;
+ pipe_ctx->pipe_idx = i;
+
+@@ -1694,38 +1693,6 @@ static void program_csc_matrix(struct pipe_ctx *pipe_ctx,
+ }
+ }
+
+-static void set_mpc_output_csc(struct dc *dc,
+- struct pipe_ctx *pipe_ctx,
+- enum dc_color_space colorspace,
+- uint16_t *matrix,
+- int opp_id)
+-{
+- struct mpc *mpc = dc->res_pool->mpc;
+- int i;
+- struct out_csc_color_matrix tbl_entry;
+- enum mpc_output_csc_mode ocsc_mode = MPC_OUTPUT_CSC_COEF_A;
+-
+-
+- if (pipe_ctx->stream->csc_color_matrix.enable_adjustment == true) {
+- //uint16_t matrix[12];
+- for (i = 0; i < 12; i++)
+- tbl_entry.regval[i] = matrix[i];
+- tbl_entry.color_space = colorspace;
+-
+- if (mpc->funcs->set_output_csc != NULL)
+- mpc->funcs->set_output_csc(mpc,
+- opp_id,
+- &tbl_entry,
+- ocsc_mode);
+- } else {
+- if (mpc->funcs->set_ocsc_default != NULL)
+- mpc->funcs->set_ocsc_default(mpc,
+- opp_id,
+- colorspace,
+- ocsc_mode);
+- }
+-}
+-
+ static void program_output_csc(struct dc *dc,
+ struct pipe_ctx *pipe_ctx,
+ enum dc_color_space colorspace,
+@@ -1736,13 +1703,6 @@ static void program_output_csc(struct dc *dc,
+ program_csc_matrix(pipe_ctx,
+ colorspace,
+ matrix);
+- else
+- set_mpc_output_csc(dc,
+- pipe_ctx,
+- colorspace,
+- matrix,
+- opp_id);
+-
+ }
+
+ static bool is_lower_pipe_tree_visible(struct pipe_ctx *pipe_ctx)
+@@ -1914,35 +1874,73 @@ static void update_dpp(struct dpp *dpp, struct dc_plane_state *plane_state)
+
+ static void update_mpcc(struct dc *dc, struct pipe_ctx *pipe_ctx)
+ {
+- struct mpcc_cfg mpcc_cfg = {0};
+ struct hubp *hubp = pipe_ctx->plane_res.hubp;
+- struct pipe_ctx *top_pipe;
+- bool per_pixel_alpha =
+- pipe_ctx->plane_state->per_pixel_alpha && pipe_ctx->bottom_pipe;
++ struct mpcc_blnd_cfg blnd_cfg;
++ bool per_pixel_alpha = pipe_ctx->plane_state->per_pixel_alpha && pipe_ctx->bottom_pipe;
++ int mpcc_id;
++ struct mpcc *new_mpcc;
++ struct mpc *mpc = dc->res_pool->mpc;
++ struct mpc_tree *mpc_tree_params = &(pipe_ctx->stream_res.opp->mpc_tree_params);
+
+ /* TODO: proper fix once fpga works */
+
+- mpcc_cfg.dpp_id = hubp->inst;
+- mpcc_cfg.opp_id = pipe_ctx->stream_res.opp->inst;
+- mpcc_cfg.tree_cfg = &(pipe_ctx->stream_res.opp->mpc_tree);
+- for (top_pipe = pipe_ctx->top_pipe; top_pipe; top_pipe = top_pipe->top_pipe)
+- mpcc_cfg.z_index++;
+ if (dc->debug.surface_visual_confirm)
+ dcn10_get_surface_visual_confirm_color(
+- pipe_ctx, &mpcc_cfg.black_color);
++ pipe_ctx, &blnd_cfg.black_color);
+ else
+ color_space_to_black_color(
+ dc, pipe_ctx->stream->output_color_space,
+- &mpcc_cfg.black_color);
+- mpcc_cfg.per_pixel_alpha = per_pixel_alpha;
++ &blnd_cfg.black_color);
++
++ if (per_pixel_alpha)
++ blnd_cfg.alpha_mode = MPCC_ALPHA_BLEND_MODE_PER_PIXEL_ALPHA;
++ else
++ blnd_cfg.alpha_mode = MPCC_ALPHA_BLEND_MODE_GLOBAL_ALPHA;
++
++ blnd_cfg.overlap_only = false;
++ blnd_cfg.global_alpha = 0xff;
++ blnd_cfg.global_gain = 0xff;
++
+ /* DCN1.0 has output CM before MPC which seems to screw with
+ * pre-multiplied alpha.
+ */
+- mpcc_cfg.pre_multiplied_alpha = is_rgb_cspace(
++ blnd_cfg.pre_multiplied_alpha = is_rgb_cspace(
+ pipe_ctx->stream->output_color_space)
+ && per_pixel_alpha;
+- hubp->mpcc_id = dc->res_pool->mpc->funcs->add(dc->res_pool->mpc, &mpcc_cfg);
+- hubp->opp_id = mpcc_cfg.opp_id;
++
++ /*
++ * TODO: remove hack
++ * Note: currently there is a bug in init_hw such that
++ * on resume from hibernate, BIOS sets up MPCC0, and
++ * we do mpcc_remove but the mpcc cannot go to idle
++ * after remove. This cause us to pick mpcc1 here,
++ * which causes a pstate hang for yet unknown reason.
++ */
++ mpcc_id = hubp->inst;
++
++ /* check if this MPCC is already being used */
++ new_mpcc = mpc->funcs->get_mpcc_for_dpp(mpc_tree_params, mpcc_id);
++ /* remove MPCC if being used */
++ if (new_mpcc != NULL)
++ mpc->funcs->remove_mpcc(mpc, mpc_tree_params, new_mpcc);
++
++ if (dc->debug.sanity_checks)
++ mpc->funcs->assert_mpcc_idle_before_connect(
++ dc->res_pool->mpc, mpcc_id);
++
++ /* Call MPC to insert new plane */
++ new_mpcc = mpc->funcs->insert_plane(dc->res_pool->mpc,
++ mpc_tree_params,
++ &blnd_cfg,
++ NULL,
++ NULL,
++ hubp->inst,
++ mpcc_id);
++
++ ASSERT(new_mpcc != NULL);
++
++ hubp->opp_id = pipe_ctx->stream_res.opp->inst;
++ hubp->mpcc_id = mpcc_id;
+ }
+
+ static void update_scaler(struct pipe_ctx *pipe_ctx)
+diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c
+index b016f4c..e926c29 100644
+--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c
++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c
+@@ -25,8 +25,6 @@
+
+ #include "reg_helper.h"
+ #include "dcn10_mpc.h"
+-#include "dc.h"
+-#include "mem_input.h"
+
+ #define REG(reg)\
+ mpc10->mpc_regs->reg
+@@ -38,17 +36,13 @@
+ #define FN(reg_name, field_name) \
+ mpc10->mpc_shift->field_name, mpc10->mpc_mask->field_name
+
+-#define MODE_TOP_ONLY 1
+-#define MODE_BLEND 3
+-#define BLND_PP_ALPHA 0
+-#define BLND_GLOBAL_ALPHA 2
+
+-
+-static void mpc10_set_bg_color(
+- struct dcn10_mpc *mpc10,
++void mpc1_set_bg_color(struct mpc *mpc,
+ struct tg_color *bg_color,
+- int id)
++ int mpcc_id)
+ {
++ struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
++
+ /* mpc color is 12 bit. tg_color is 10 bit */
+ /* todo: might want to use 16 bit to represent color and have each
+ * hw block translate to correct color depth.
+@@ -57,15 +51,47 @@ static void mpc10_set_bg_color(
+ uint32_t bg_g_y = bg_color->color_g_y << 2;
+ uint32_t bg_b_cb = bg_color->color_b_cb << 2;
+
+- REG_SET(MPCC_BG_R_CR[id], 0,
++ REG_SET(MPCC_BG_R_CR[mpcc_id], 0,
+ MPCC_BG_R_CR, bg_r_cr);
+- REG_SET(MPCC_BG_G_Y[id], 0,
++ REG_SET(MPCC_BG_G_Y[mpcc_id], 0,
+ MPCC_BG_G_Y, bg_g_y);
+- REG_SET(MPCC_BG_B_CB[id], 0,
++ REG_SET(MPCC_BG_B_CB[mpcc_id], 0,
+ MPCC_BG_B_CB, bg_b_cb);
+ }
+
+-void mpc10_assert_idle_mpcc(struct mpc *mpc, int id)
++static void mpc1_update_blending(
++ struct mpc *mpc,
++ struct mpcc_blnd_cfg *blnd_cfg,
++ int mpcc_id)
++{
++ struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
++
++ REG_UPDATE_5(MPCC_CONTROL[mpcc_id],
++ MPCC_ALPHA_BLND_MODE, blnd_cfg->alpha_mode,
++ MPCC_ALPHA_MULTIPLIED_MODE, blnd_cfg->pre_multiplied_alpha,
++ MPCC_BLND_ACTIVE_OVERLAP_ONLY, blnd_cfg->overlap_only,
++ MPCC_GLOBAL_ALPHA, blnd_cfg->global_alpha,
++ MPCC_GLOBAL_GAIN, blnd_cfg->global_gain);
++
++ mpc1_set_bg_color(mpc, &blnd_cfg->black_color, mpcc_id);
++}
++
++void mpc1_update_stereo_mix(
++ struct mpc *mpc,
++ struct mpcc_sm_cfg *sm_cfg,
++ int mpcc_id)
++{
++ struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
++
++ REG_UPDATE_6(MPCC_SM_CONTROL[mpcc_id],
++ MPCC_SM_EN, sm_cfg->enable,
++ MPCC_SM_MODE, sm_cfg->sm_mode,
++ MPCC_SM_FRAME_ALT, sm_cfg->frame_alt,
++ MPCC_SM_FIELD_ALT, sm_cfg->field_alt,
++ MPCC_SM_FORCE_NEXT_FRAME_POL, sm_cfg->force_next_frame_porlarity,
++ MPCC_SM_FORCE_NEXT_TOP_POL, sm_cfg->force_next_field_polarity);
++}
++void mpc1_assert_idle_mpcc(struct mpc *mpc, int id)
+ {
+ struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
+
+@@ -75,39 +101,62 @@ void mpc10_assert_idle_mpcc(struct mpc *mpc, int id)
+ 1, 100000);
+ }
+
+-static int mpc10_get_idle_mpcc_id(struct dcn10_mpc *mpc10)
++static int mpc1_get_opp_id(struct mpc *mpc, int mpcc_id)
+ {
+- int i;
+- int last_free_mpcc_id = -1;
++ struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
++ unsigned int opp_id = 0xF;
+
+- for (i = 0; i < mpc10->num_mpcc; i++) {
+- uint32_t is_idle = 0;
++ REG_GET(MPCC_OPP_ID[mpcc_id], MPCC_OPP_ID, &opp_id);
+
+- if (mpc10->mpcc_in_use_mask & 1 << i)
+- continue;
++ return opp_id;
++}
+
+- last_free_mpcc_id = i;
+- REG_GET(MPCC_STATUS[i], MPCC_IDLE, &is_idle);
+- if (is_idle)
+- return i;
+- }
++struct mpcc *mpc1_get_mpcc(struct mpc *mpc, int mpcc_id)
++{
++ struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
+
+- /* This assert should never trigger, we have mpcc leak if it does */
+- ASSERT(last_free_mpcc_id != -1);
++ ASSERT(mpcc_id < mpc10->num_mpcc);
++ return &(mpc->mpcc_array[mpcc_id]);
++}
++
++struct mpcc *mpc1_get_mpcc_for_dpp(struct mpc_tree *tree, int dpp_id)
++{
++ struct mpcc *tmp_mpcc = tree->opp_list;
++
++ while (tmp_mpcc != NULL) {
++ if (tmp_mpcc->dpp_id == dpp_id)
++ return tmp_mpcc;
++ tmp_mpcc = tmp_mpcc->mpcc_bot;
++ }
++ return NULL;
++}
+
+- mpc10_assert_idle_mpcc(&mpc10->base, last_free_mpcc_id);
+- return last_free_mpcc_id;
++bool mpc1_is_mpcc_idle(struct mpc *mpc, int mpcc_id)
++{
++ struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
++ unsigned int top_sel;
++ unsigned int opp_id;
++ unsigned int idle;
++
++ REG_GET(MPCC_TOP_SEL[mpcc_id], MPCC_TOP_SEL, &top_sel);
++ REG_GET(MPCC_OPP_ID[mpcc_id], MPCC_OPP_ID, &opp_id);
++ REG_GET(MPCC_STATUS[mpcc_id], MPCC_IDLE, &idle);
++ if (top_sel == 0xf && opp_id == 0xf && idle)
++ return true;
++ else
++ return false;
+ }
+
+-static void mpc10_assert_mpcc_idle_before_connect(struct dcn10_mpc *mpc10, int id)
++void mpc1_assert_mpcc_idle_before_connect(struct mpc *mpc, int mpcc_id)
+ {
++ struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
+ unsigned int top_sel, mpc_busy, mpc_idle;
+
+- REG_GET(MPCC_TOP_SEL[id],
++ REG_GET(MPCC_TOP_SEL[mpcc_id],
+ MPCC_TOP_SEL, &top_sel);
+
+ if (top_sel == 0xf) {
+- REG_GET_2(MPCC_STATUS[id],
++ REG_GET_2(MPCC_STATUS[mpcc_id],
+ MPCC_BUSY, &mpc_busy,
+ MPCC_IDLE, &mpc_idle);
+
+@@ -116,241 +165,258 @@ static void mpc10_assert_mpcc_idle_before_connect(struct dcn10_mpc *mpc10, int i
+ }
+ }
+
+-void mpc10_mpcc_remove(
+- struct mpc *mpc,
+- struct mpc_tree_cfg *tree_cfg,
+- int opp_id,
+- int dpp_id)
+-{
+- struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
+- int mpcc_id, z_idx;
+-
+- /* find z_idx for the dpp to be removed */
+- for (z_idx = 0; z_idx < tree_cfg->num_pipes; z_idx++)
+- if (tree_cfg->dpp[z_idx] == dpp_id)
+- break;
+-
+- if (z_idx == tree_cfg->num_pipes) {
+- /* In case of resume from S3/S4, remove mpcc from bios left over */
+- REG_SET(MPCC_OPP_ID[dpp_id], 0,
+- MPCC_OPP_ID, 0xf);
+- REG_SET(MPCC_TOP_SEL[dpp_id], 0,
+- MPCC_TOP_SEL, 0xf);
+- REG_SET(MPCC_BOT_SEL[dpp_id], 0,
+- MPCC_BOT_SEL, 0xf);
+- return;
+- }
+-
+- mpcc_id = tree_cfg->mpcc[z_idx];
+-
+- REG_SET(MPCC_OPP_ID[mpcc_id], 0,
+- MPCC_OPP_ID, 0xf);
+- REG_SET(MPCC_TOP_SEL[mpcc_id], 0,
+- MPCC_TOP_SEL, 0xf);
+- REG_SET(MPCC_BOT_SEL[mpcc_id], 0,
+- MPCC_BOT_SEL, 0xf);
+-
+- if (z_idx > 0) {
+- int top_mpcc_id = tree_cfg->mpcc[z_idx - 1];
+-
+- if (z_idx + 1 < tree_cfg->num_pipes)
+- /* mpcc to be removed is in the middle of the tree */
+- REG_SET(MPCC_BOT_SEL[top_mpcc_id], 0,
+- MPCC_BOT_SEL, tree_cfg->mpcc[z_idx + 1]);
+- else {
+- /* mpcc to be removed is at the bottom of the tree */
+- REG_SET(MPCC_BOT_SEL[top_mpcc_id], 0,
+- MPCC_BOT_SEL, 0xf);
+- REG_UPDATE(MPCC_CONTROL[top_mpcc_id],
+- MPCC_MODE, MODE_TOP_ONLY);
+- }
+- } else if (tree_cfg->num_pipes > 1)
+- /* mpcc to be removed is at the top of the tree */
+- REG_SET(MUX[opp_id], 0,
+- MPC_OUT_MUX, tree_cfg->mpcc[z_idx + 1]);
+- else
+- /* mpcc to be removed is the only one in the tree */
+- REG_SET(MUX[opp_id], 0, MPC_OUT_MUX, 0xf);
+-
+- /* mark this mpcc as not in use */
+- mpc10->mpcc_in_use_mask &= ~(1 << mpcc_id);
+- tree_cfg->num_pipes--;
+- for (; z_idx < tree_cfg->num_pipes; z_idx++) {
+- tree_cfg->dpp[z_idx] = tree_cfg->dpp[z_idx + 1];
+- tree_cfg->mpcc[z_idx] = tree_cfg->mpcc[z_idx + 1];
+- }
+- tree_cfg->dpp[tree_cfg->num_pipes] = 0xdeadbeef;
+- tree_cfg->mpcc[tree_cfg->num_pipes] = 0xdeadbeef;
+-}
+-
+-static void mpc10_add_to_tree_cfg(
++/*
++ * Insert DPP into MPC tree based on specified blending position.
++ * Only used for planes that are part of blending chain for OPP output
++ *
++ * Parameters:
++ * [in/out] mpc - MPC context.
++ * [in/out] tree - MPC tree structure that plane will be added to.
++ * [in] blnd_cfg - MPCC blending configuration for the new blending layer.
++ * [in] sm_cfg - MPCC stereo mix configuration for the new blending layer.
++ * stereo mix must disable for the very bottom layer of the tree config.
++ * [in] insert_above_mpcc - Insert new plane above this MPCC. If NULL, insert as bottom plane.
++ * [in] dpp_id - DPP instance for the plane to be added.
++ * [in] mpcc_id - The MPCC physical instance to use for blending.
++ *
++ * Return: struct mpcc* - MPCC that was added.
++ */
++struct mpcc *mpc1_insert_plane(
+ struct mpc *mpc,
+- struct mpcc_cfg *cfg,
++ struct mpc_tree *tree,
++ struct mpcc_blnd_cfg *blnd_cfg,
++ struct mpcc_sm_cfg *sm_cfg,
++ struct mpcc *insert_above_mpcc,
++ int dpp_id,
+ int mpcc_id)
+ {
+ struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
+- int mpcc_mode = MODE_TOP_ONLY;
+- int position = cfg->z_index;
+- struct mpc_tree_cfg *tree_cfg = cfg->tree_cfg;
+- int alpha_blnd_mode = cfg->per_pixel_alpha ?
+- BLND_PP_ALPHA : BLND_GLOBAL_ALPHA;
+- int z_idx;
++ struct mpcc *new_mpcc = NULL;
+
+- REG_SET(MPCC_OPP_ID[mpcc_id], 0,
+- MPCC_OPP_ID, cfg->opp_id);
++ /* sanity check parameters */
++ ASSERT(mpcc_id < mpc10->num_mpcc);
++ ASSERT(!(mpc10->mpcc_in_use_mask & 1 << mpcc_id));
+
+- REG_SET(MPCC_TOP_SEL[mpcc_id], 0,
+- MPCC_TOP_SEL, cfg->dpp_id);
++ if (insert_above_mpcc) {
++ /* check insert_above_mpcc exist in tree->opp_list */
++ struct mpcc *temp_mpcc = tree->opp_list;
+
+- if (position == 0) {
+- /* idle dpp/mpcc is added to the top layer of tree */
++ while (temp_mpcc && temp_mpcc->mpcc_bot != insert_above_mpcc)
++ temp_mpcc = temp_mpcc->mpcc_bot;
++ if (temp_mpcc == NULL)
++ return NULL;
++ }
+
+- if (tree_cfg->num_pipes > 0) {
+- /* get instance of previous top mpcc */
+- int prev_top_mpcc_id = tree_cfg->mpcc[0];
++ /* Get and update MPCC struct parameters */
++ new_mpcc = mpc1_get_mpcc(mpc, mpcc_id);
++ new_mpcc->dpp_id = dpp_id;
+
+- REG_SET(MPCC_BOT_SEL[mpcc_id], 0,
+- MPCC_BOT_SEL, prev_top_mpcc_id);
+- mpcc_mode = MODE_BLEND;
++ /* program mux and MPCC_MODE */
++ if (insert_above_mpcc) {
++ new_mpcc->mpcc_bot = insert_above_mpcc;
++ REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, insert_above_mpcc->mpcc_id);
++ REG_UPDATE(MPCC_CONTROL[mpcc_id], MPCC_MODE, MPCC_BLEND_MODE_TOP_BOT_BLENDING);
++ } else {
++ new_mpcc->mpcc_bot = NULL;
++ REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, 0xf);
++ REG_UPDATE(MPCC_CONTROL[mpcc_id], MPCC_MODE, MPCC_BLEND_MODE_TOP_LAYER_PASSTHROUGH);
++ }
++ REG_SET(MPCC_TOP_SEL[mpcc_id], 0, MPCC_TOP_SEL, dpp_id);
++ REG_SET(MPCC_OPP_ID[mpcc_id], 0, MPCC_OPP_ID, tree->opp_id);
++
++ /* update mpc tree mux setting */
++ if (tree->opp_list == insert_above_mpcc) {
++ /* insert the toppest mpcc */
++ tree->opp_list = new_mpcc;
++ REG_SET(MUX[tree->opp_id], 0, MPC_OUT_MUX, mpcc_id);
++ } else {
++ /* find insert position */
++ struct mpcc *temp_mpcc = tree->opp_list;
++
++ while (temp_mpcc && temp_mpcc->mpcc_bot != insert_above_mpcc)
++ temp_mpcc = temp_mpcc->mpcc_bot;
++ if (temp_mpcc && temp_mpcc->mpcc_bot == insert_above_mpcc) {
++ REG_SET(MPCC_BOT_SEL[temp_mpcc->mpcc_id], 0, MPCC_BOT_SEL, mpcc_id);
++ temp_mpcc->mpcc_bot = new_mpcc;
++ if (!insert_above_mpcc)
++ REG_UPDATE(MPCC_CONTROL[temp_mpcc->mpcc_id],
++ MPCC_MODE, MPCC_BLEND_MODE_TOP_BOT_BLENDING);
+ }
++ }
+
+- /* opp will get new output. from new added mpcc */
+- REG_SET(MUX[cfg->opp_id], 0, MPC_OUT_MUX, mpcc_id);
+-
+- } else if (position == tree_cfg->num_pipes) {
+- /* idle dpp/mpcc is added to the bottom layer of tree */
+-
+- /* get instance of previous bottom mpcc, set to middle layer */
+- int prev_bot_mpcc_id = tree_cfg->mpcc[tree_cfg->num_pipes - 1];
+-
+- REG_SET(MPCC_BOT_SEL[prev_bot_mpcc_id], 0,
+- MPCC_BOT_SEL, mpcc_id);
+- REG_UPDATE(MPCC_CONTROL[prev_bot_mpcc_id],
+- MPCC_MODE, MODE_BLEND);
+-
+- /* mpcc_id become new bottom mpcc*/
+- REG_SET(MPCC_BOT_SEL[mpcc_id], 0,
+- MPCC_BOT_SEL, 0xf);
++ /* update the blending configuration */
++ new_mpcc->blnd_cfg = *blnd_cfg;
++ mpc->funcs->update_blending(mpc, &new_mpcc->blnd_cfg, mpcc_id);
+
+- } else {
+- /* idle dpp/mpcc is added to middle of tree */
+- int above_mpcc_id = tree_cfg->mpcc[position - 1];
+- int below_mpcc_id = tree_cfg->mpcc[position];
+-
+- /* mpcc above new mpcc_id has new bottom mux*/
+- REG_SET(MPCC_BOT_SEL[above_mpcc_id], 0,
+- MPCC_BOT_SEL, mpcc_id);
+- REG_UPDATE(MPCC_CONTROL[above_mpcc_id],
+- MPCC_MODE, MODE_BLEND);
+-
+- /* mpcc_id bottom mux is from below mpcc*/
+- REG_SET(MPCC_BOT_SEL[mpcc_id], 0,
+- MPCC_BOT_SEL, below_mpcc_id);
+- mpcc_mode = MODE_BLEND;
++ /* update the stereo mix settings, if provided */
++ if (sm_cfg != NULL) {
++ new_mpcc->sm_cfg = *sm_cfg;
++ mpc1_update_stereo_mix(mpc, sm_cfg, mpcc_id);
+ }
+
+- REG_SET_4(MPCC_CONTROL[mpcc_id], 0xffffffff,
+- MPCC_MODE, mpcc_mode,
+- MPCC_ALPHA_BLND_MODE, alpha_blnd_mode,
+- MPCC_ALPHA_MULTIPLIED_MODE, cfg->pre_multiplied_alpha,
+- MPCC_BLND_ACTIVE_OVERLAP_ONLY, false);
++ /* mark this mpcc as in use */
++ mpc10->mpcc_in_use_mask |= 1 << mpcc_id;
+
+- /* update mpc_tree_cfg with new mpcc */
+- for (z_idx = tree_cfg->num_pipes; z_idx > position; z_idx--) {
+- tree_cfg->dpp[z_idx] = tree_cfg->dpp[z_idx - 1];
+- tree_cfg->mpcc[z_idx] = tree_cfg->mpcc[z_idx - 1];
+- }
+- tree_cfg->dpp[position] = cfg->dpp_id;
+- tree_cfg->mpcc[position] = mpcc_id;
+- tree_cfg->num_pipes++;
++ return new_mpcc;
+ }
+
+-int mpc10_mpcc_add(struct mpc *mpc, struct mpcc_cfg *cfg)
++/*
++ * Remove a specified MPCC from the MPC tree.
++ *
++ * Parameters:
++ * [in/out] mpc - MPC context.
++ * [in/out] tree - MPC tree structure that plane will be removed from.
++ * [in/out] mpcc - MPCC to be removed from tree.
++ *
++ * Return: void
++ */
++void mpc1_remove_mpcc(
++ struct mpc *mpc,
++ struct mpc_tree *tree,
++ struct mpcc *mpcc_to_remove)
+ {
+ struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
+- int mpcc_id, z_idx;
+-
+- ASSERT(cfg->z_index < mpc10->num_mpcc);
+-
+- /* check in dpp already exists in mpc tree */
+- for (z_idx = 0; z_idx < cfg->tree_cfg->num_pipes; z_idx++)
+- if (cfg->tree_cfg->dpp[z_idx] == cfg->dpp_id)
+- break;
+- if (z_idx == cfg->tree_cfg->num_pipes) {
+- ASSERT(cfg->z_index <= cfg->tree_cfg->num_pipes);
+- mpcc_id = mpc10_get_idle_mpcc_id(mpc10);
+-
+- /*
+- * TODO: remove hack
+- * Note: currently there is a bug in init_hw such that
+- * on resume from hibernate, BIOS sets up MPCC0, and
+- * we do mpcc_remove but the mpcc cannot go to idle
+- * after remove. This cause us to pick mpcc1 here,
+- * which causes a pstate hang for yet unknown reason.
+- */
+- mpcc_id = cfg->dpp_id;
+- /* end hack*/
+-
+- ASSERT(!(mpc10->mpcc_in_use_mask & 1 << mpcc_id));
+-
+- if (mpc->ctx->dc->debug.sanity_checks)
+- mpc10_assert_mpcc_idle_before_connect(mpc10, mpcc_id);
++ bool found = false;
++ int mpcc_id = mpcc_to_remove->mpcc_id;
++
++ if (tree->opp_list == mpcc_to_remove) {
++ found = true;
++ /* remove MPCC from top of tree */
++ if (mpcc_to_remove->mpcc_bot) {
++ /* set the next MPCC in list to be the top MPCC */
++ tree->opp_list = mpcc_to_remove->mpcc_bot;
++ REG_SET(MUX[tree->opp_id], 0, MPC_OUT_MUX, tree->opp_list->mpcc_id);
++ } else {
++ /* there are no other MPCC is list */
++ tree->opp_list = NULL;
++ REG_SET(MUX[tree->opp_id], 0, MPC_OUT_MUX, 0xf);
++ }
+ } else {
+- ASSERT(cfg->z_index < cfg->tree_cfg->num_pipes);
+- mpcc_id = cfg->tree_cfg->mpcc[z_idx];
+- mpc10_mpcc_remove(mpc, cfg->tree_cfg, cfg->opp_id, cfg->dpp_id);
++ /* find mpcc to remove MPCC list */
++ struct mpcc *temp_mpcc = tree->opp_list;
++
++ while (temp_mpcc && temp_mpcc->mpcc_bot != mpcc_to_remove)
++ temp_mpcc = temp_mpcc->mpcc_bot;
++
++ if (temp_mpcc && temp_mpcc->mpcc_bot == mpcc_to_remove) {
++ found = true;
++ if (mpcc_to_remove->mpcc_bot) {
++ /* remove MPCC in middle of list */
++ REG_SET(MPCC_BOT_SEL[temp_mpcc->mpcc_id], 0,
++ MPCC_BOT_SEL, mpcc_to_remove->mpcc_bot->mpcc_id);
++ temp_mpcc->mpcc_bot = mpcc_to_remove->mpcc_bot;
++ } else {
++ /* remove MPCC from bottom of list */
++ REG_SET(MPCC_BOT_SEL[temp_mpcc->mpcc_id], 0,
++ MPCC_BOT_SEL, 0xf);
++ REG_UPDATE(MPCC_CONTROL[temp_mpcc->mpcc_id],
++ MPCC_MODE, MPCC_BLEND_MODE_TOP_LAYER_PASSTHROUGH);
++ }
++ }
+ }
+
+- /* add dpp/mpcc pair to mpc_tree_cfg and update mpcc registers */
+- mpc10_add_to_tree_cfg(mpc, cfg, mpcc_id);
+-
+- /* set background color */
+- mpc10_set_bg_color(mpc10, &cfg->black_color, mpcc_id);
+-
+- /* mark this mpcc as in use */
+- mpc10->mpcc_in_use_mask |= 1 << mpcc_id;
++ if (found) {
++ /* turn off MPCC mux registers */
++ REG_SET(MPCC_TOP_SEL[mpcc_id], 0, MPCC_TOP_SEL, 0xf);
++ REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, 0xf);
++ REG_SET(MPCC_OPP_ID[mpcc_id], 0, MPCC_OPP_ID, 0xf);
+
+- return mpcc_id;
++ /* mark this mpcc as not in use */
++ mpc10->mpcc_in_use_mask &= ~(1 << mpcc_id);
++ mpcc_to_remove->dpp_id = 0xf;
++ mpcc_to_remove->mpcc_bot = NULL;
++ } else {
++ /* In case of resume from S3/S4, remove mpcc from bios left over */
++ REG_SET(MPCC_TOP_SEL[mpcc_id], 0, MPCC_TOP_SEL, 0xf);
++ REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, 0xf);
++ REG_SET(MPCC_OPP_ID[mpcc_id], 0, MPCC_OPP_ID, 0xf);
++ }
+ }
+
+-void mpc10_update_blend_mode(
+- struct mpc *mpc,
+- struct mpcc_cfg *cfg)
++/*
++ * Reset the MPCC HW status by disconnecting all muxes.
++ *
++ * Parameters:
++ * [in/out] mpc - MPC context.
++ * [in] mpcc_id - The MPCC physical instance to reset.
++ *
++ * Return: void
++ */
++void mpc1_reset_mpcc(
++ struct mpc *mpc,
++ int mpcc_id)
+ {
+ struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
+- int mpcc_id, z_idx;
+- int alpha_blnd_mode = cfg->per_pixel_alpha ?
+- BLND_PP_ALPHA : BLND_GLOBAL_ALPHA;
+-
+- /* find z_idx for the dpp that requires blending mode update*/
+- for (z_idx = 0; z_idx < cfg->tree_cfg->num_pipes; z_idx++)
+- if (cfg->tree_cfg->dpp[z_idx] == cfg->dpp_id)
+- break;
+
+- ASSERT(z_idx < cfg->tree_cfg->num_pipes);
+- mpcc_id = cfg->tree_cfg->mpcc[z_idx];
+-
+- REG_UPDATE_2(MPCC_CONTROL[mpcc_id],
+- MPCC_ALPHA_BLND_MODE, alpha_blnd_mode,
+- MPCC_ALPHA_MULTIPLIED_MODE, cfg->pre_multiplied_alpha);
++ REG_SET(MPCC_TOP_SEL[mpcc_id], 0, MPCC_TOP_SEL, 0xf);
++ REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, 0xf);
++ REG_SET(MPCC_OPP_ID[mpcc_id], 0, MPCC_OPP_ID, 0xf);
+ }
+
+-int mpc10_get_opp_id(struct mpc *mpc, int mpcc_id)
++void mpc1_init_mpcc_list_from_hw(
++ struct mpc *mpc,
++ struct mpc_tree *tree)
+ {
+ struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
+- int opp_id = 0xF;
+-
+- REG_GET(MPCC_OPP_ID[mpcc_id], MPCC_OPP_ID, &opp_id);
++ unsigned int opp_id;
++ unsigned int top_sel;
++ unsigned int bot_sel;
++ unsigned int out_mux;
++ struct mpcc *mpcc;
++ int mpcc_id;
++ int bot_mpcc_id;
++
++ REG_GET(MUX[tree->opp_id], MPC_OUT_MUX, &out_mux);
++
++ if (out_mux != 0xf) {
++ for (mpcc_id = 0; mpcc_id < mpc10->num_mpcc; mpcc_id++) {
++ REG_GET(MPCC_OPP_ID[mpcc_id], MPCC_OPP_ID, &opp_id);
++ REG_GET(MPCC_TOP_SEL[mpcc_id], MPCC_TOP_SEL, &top_sel);
++ REG_GET(MPCC_STATUS[mpcc_id], MPCC_BOT_SEL, &bot_sel);
++
++ if ((opp_id == tree->opp_id) && (top_sel != 0xf)) {
++ mpcc = mpc1_get_mpcc(mpc, mpcc_id);
++ mpcc->dpp_id = top_sel;
++ mpc10->mpcc_in_use_mask |= 1 << mpcc_id;
++
++ if (out_mux == mpcc_id)
++ tree->opp_list = mpcc;
++ if (bot_sel != 0xf && bot_sel < mpc10->num_mpcc) {
++ bot_mpcc_id = bot_sel;
++ REG_GET(MPCC_OPP_ID[bot_mpcc_id], MPCC_OPP_ID, &opp_id);
++ REG_GET(MPCC_TOP_SEL[bot_mpcc_id], MPCC_TOP_SEL, &top_sel);
++ if ((opp_id == tree->opp_id) && (top_sel != 0xf)) {
++ struct mpcc *mpcc_bottom = mpc1_get_mpcc(mpc, bot_mpcc_id);
++
++ mpcc->mpcc_bot = mpcc_bottom;
++ }
++ }
++ }
++ }
++ }
++}
+
+- return opp_id;
++static void mpc1_init_mpcc(struct mpcc *mpcc, int mpcc_inst)
++{
++ mpcc->mpcc_id = mpcc_inst;
++ mpcc->dpp_id = 0xf;
++ mpcc->mpcc_bot = NULL;
++ mpcc->blnd_cfg.overlap_only = false;
++ mpcc->blnd_cfg.global_alpha = 0xff;
++ mpcc->blnd_cfg.global_gain = 0xff;
++ mpcc->sm_cfg.enable = false;
+ }
+
+ const struct mpc_funcs dcn10_mpc_funcs = {
+- .add = mpc10_mpcc_add,
+- .remove = mpc10_mpcc_remove,
+- .wait_for_idle = mpc10_assert_idle_mpcc,
+- .update_blend_mode = mpc10_update_blend_mode,
+- .get_opp_id = mpc10_get_opp_id,
++ .insert_plane = mpc1_insert_plane,
++ .remove_mpcc = mpc1_remove_mpcc,
++ .reset_mpcc = mpc1_reset_mpcc,
++ .get_mpcc_for_dpp = mpc1_get_mpcc_for_dpp,
++ .wait_for_idle = mpc1_assert_idle_mpcc,
++ .assert_mpcc_idle_before_connect = mpc1_assert_mpcc_idle_before_connect,
++ .init_mpcc_list_from_hw = mpc1_init_mpcc_list_from_hw,
++ .update_blending = mpc1_update_blending,
++ .get_opp_id = mpc1_get_opp_id,
+ };
+
+ void dcn10_mpc_construct(struct dcn10_mpc *mpc10,
+@@ -360,6 +426,8 @@ void dcn10_mpc_construct(struct dcn10_mpc *mpc10,
+ const struct dcn_mpc_mask *mpc_mask,
+ int num_mpcc)
+ {
++ int i;
++
+ mpc10->base.ctx = ctx;
+
+ mpc10->base.funcs = &dcn10_mpc_funcs;
+@@ -370,5 +438,8 @@ void dcn10_mpc_construct(struct dcn10_mpc *mpc10,
+
+ mpc10->mpcc_in_use_mask = 0;
+ mpc10->num_mpcc = num_mpcc;
++
++ for (i = 0; i < MAX_MPCC; i++)
++ mpc1_init_mpcc(&mpc10->base.mpcc_array[i], i);
+ }
+
+diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.h
+index e85e1f3..aa2cd40 100644
+--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.h
++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.h
+@@ -30,9 +30,6 @@
+ #define TO_DCN10_MPC(mpc_base) \
+ container_of(mpc_base, struct dcn10_mpc, base)
+
+-#define MAX_MPCC 6
+-#define MAX_OPP 6
+-
+ #define MPC_COMMON_REG_LIST_DCN1_0(inst) \
+ SRII(MPCC_TOP_SEL, MPCC, inst),\
+ SRII(MPCC_BOT_SEL, MPCC, inst),\
+@@ -42,7 +39,8 @@
+ SRII(MPCC_BG_G_Y, MPCC, inst),\
+ SRII(MPCC_BG_R_CR, MPCC, inst),\
+ SRII(MPCC_BG_B_CB, MPCC, inst),\
+- SRII(MPCC_BG_B_CB, MPCC, inst)
++ SRII(MPCC_BG_B_CB, MPCC, inst),\
++ SRII(MPCC_SM_CONTROL, MPCC, inst)
+
+ #define MPC_OUT_MUX_COMMON_REG_LIST_DCN1_0(inst) \
+ SRII(MUX, MPC_OUT, inst)
+@@ -56,6 +54,7 @@
+ uint32_t MPCC_BG_G_Y[MAX_MPCC]; \
+ uint32_t MPCC_BG_R_CR[MAX_MPCC]; \
+ uint32_t MPCC_BG_B_CB[MAX_MPCC]; \
++ uint32_t MPCC_SM_CONTROL[MAX_MPCC]; \
+ uint32_t MUX[MAX_OPP];
+
+ #define MPC_COMMON_MASK_SH_LIST_DCN1_0(mask_sh)\
+@@ -65,12 +64,20 @@
+ SF(MPCC0_MPCC_CONTROL, MPCC_ALPHA_BLND_MODE, mask_sh),\
+ SF(MPCC0_MPCC_CONTROL, MPCC_ALPHA_MULTIPLIED_MODE, mask_sh),\
+ SF(MPCC0_MPCC_CONTROL, MPCC_BLND_ACTIVE_OVERLAP_ONLY, mask_sh),\
++ SF(MPCC0_MPCC_CONTROL, MPCC_GLOBAL_ALPHA, mask_sh),\
++ SF(MPCC0_MPCC_CONTROL, MPCC_GLOBAL_GAIN, mask_sh),\
+ SF(MPCC0_MPCC_STATUS, MPCC_IDLE, mask_sh),\
+ SF(MPCC0_MPCC_STATUS, MPCC_BUSY, mask_sh),\
+ SF(MPCC0_MPCC_OPP_ID, MPCC_OPP_ID, mask_sh),\
+ SF(MPCC0_MPCC_BG_G_Y, MPCC_BG_G_Y, mask_sh),\
+ SF(MPCC0_MPCC_BG_R_CR, MPCC_BG_R_CR, mask_sh),\
+ SF(MPCC0_MPCC_BG_B_CB, MPCC_BG_B_CB, mask_sh),\
++ SF(MPCC0_MPCC_SM_CONTROL, MPCC_SM_EN, mask_sh),\
++ SF(MPCC0_MPCC_SM_CONTROL, MPCC_SM_MODE, mask_sh),\
++ SF(MPCC0_MPCC_SM_CONTROL, MPCC_SM_FRAME_ALT, mask_sh),\
++ SF(MPCC0_MPCC_SM_CONTROL, MPCC_SM_FIELD_ALT, mask_sh),\
++ SF(MPCC0_MPCC_SM_CONTROL, MPCC_SM_FORCE_NEXT_FRAME_POL, mask_sh),\
++ SF(MPCC0_MPCC_SM_CONTROL, MPCC_SM_FORCE_NEXT_TOP_POL, mask_sh),\
+ SF(MPC_OUT0_MUX, MPC_OUT_MUX, mask_sh)
+
+ #define MPC_REG_FIELD_LIST(type) \
+@@ -80,12 +87,20 @@
+ type MPCC_ALPHA_BLND_MODE;\
+ type MPCC_ALPHA_MULTIPLIED_MODE;\
+ type MPCC_BLND_ACTIVE_OVERLAP_ONLY;\
++ type MPCC_GLOBAL_ALPHA;\
++ type MPCC_GLOBAL_GAIN;\
+ type MPCC_IDLE;\
+ type MPCC_BUSY;\
+ type MPCC_OPP_ID;\
+ type MPCC_BG_G_Y;\
+ type MPCC_BG_R_CR;\
+ type MPCC_BG_B_CB;\
++ type MPCC_SM_EN;\
++ type MPCC_SM_MODE;\
++ type MPCC_SM_FRAME_ALT;\
++ type MPCC_SM_FIELD_ALT;\
++ type MPCC_SM_FORCE_NEXT_FRAME_POL;\
++ type MPCC_SM_FORCE_NEXT_TOP_POL;\
+ type MPC_OUT_MUX;
+
+ struct dcn_mpc_registers {
+@@ -117,23 +132,57 @@ void dcn10_mpc_construct(struct dcn10_mpc *mpcc10,
+ const struct dcn_mpc_mask *mpc_mask,
+ int num_mpcc);
+
+-int mpc10_mpcc_add(
+- struct mpc *mpc,
+- struct mpcc_cfg *cfg);
+-
+-void mpc10_mpcc_remove(
+- struct mpc *mpc,
+- struct mpc_tree_cfg *tree_cfg,
+- int opp_id,
+- int dpp_id);
+-
+-void mpc10_assert_idle_mpcc(
+- struct mpc *mpc,
+- int id);
+-
+-void mpc10_update_blend_mode(
+- struct mpc *mpc,
+- struct mpcc_cfg *cfg);
+-int mpc10_get_opp_id(struct mpc *mpc, int mpcc_id);
++struct mpcc *mpc1_insert_plane(
++ struct mpc *mpc,
++ struct mpc_tree *tree,
++ struct mpcc_blnd_cfg *blnd_cfg,
++ struct mpcc_sm_cfg *sm_cfg,
++ struct mpcc *insert_above_mpcc,
++ int dpp_id,
++ int mpcc_id);
++
++void mpc1_remove_mpcc(
++ struct mpc *mpc,
++ struct mpc_tree *tree,
++ struct mpcc *mpcc);
++
++void mpc1_reset_mpcc(
++ struct mpc *mpc,
++ int mpcc_id);
++
++
++void mpc1_assert_idle_mpcc(
++ struct mpc *mpc,
++ int id);
++
++void mpc1_set_bg_color(
++ struct mpc *mpc,
++ struct tg_color *bg_color,
++ int id);
++
++void mpc1_update_stereo_mix(
++ struct mpc *mpc,
++ struct mpcc_sm_cfg *sm_cfg,
++ int mpcc_id);
++
++bool mpc1_is_mpcc_idle(
++ struct mpc *mpc,
++ int mpcc_id);
++
++void mpc1_assert_mpcc_idle_before_connect(
++ struct mpc *mpc,
++ int mpcc_id);
++
++void mpc1_init_mpcc_list_from_hw(
++ struct mpc *mpc,
++ struct mpc_tree *tree);
++
++struct mpcc *mpc1_get_mpcc(
++ struct mpc *mpc,
++ int mpcc_id);
++
++struct mpcc *mpc1_get_mpcc_for_dpp(
++ struct mpc_tree *tree,
++ int dpp_id);
+
+ #endif
+diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c
+index 6d6f67b..20d78cf 100644
+--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c
++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c
+@@ -330,12 +330,19 @@ void dcn10_opp_construct(struct dcn10_opp *oppn10,
+ const struct dcn10_opp_shift *opp_shift,
+ const struct dcn10_opp_mask *opp_mask)
+ {
++ int i;
++
+ oppn10->base.ctx = ctx;
+ oppn10->base.inst = inst;
+ oppn10->base.funcs = &dcn10_opp_funcs;
+
++ oppn10->base.mpc_tree_params.opp_id = inst;
++ oppn10->base.mpc_tree_params.opp_list = NULL;
++
++ for (i = 0; i < MAX_PIPES; i++)
++ oppn10->base.mpcc_disconnect_pending[i] = false;
++
+ oppn10->regs = regs;
+ oppn10->opp_shift = opp_shift;
+ oppn10->opp_mask = opp_mask;
+ }
+-
+diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h b/drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h
+index 72ea335..2396b15 100644
+--- a/drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h
++++ b/drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h
+@@ -26,7 +26,10 @@
+ #define __DC_MPCC_H__
+
+ #include "dc_hw_types.h"
+-#include "opp.h"
++#include "hw_shared.h"
++
++#define MAX_MPCC 6
++#define MAX_OPP 6
+
+ enum mpc_output_csc_mode {
+ MPC_OUTPUT_CSC_DISABLE = 0,
+@@ -34,45 +37,156 @@ enum mpc_output_csc_mode {
+ MPC_OUTPUT_CSC_COEF_B
+ };
+
+-struct mpcc_cfg {
+- int dpp_id;
+- int opp_id;
+- struct mpc_tree_cfg *tree_cfg;
+- unsigned int z_index;
+
+- struct tg_color black_color;
+- bool per_pixel_alpha;
+- bool pre_multiplied_alpha;
++enum mpcc_blend_mode {
++ MPCC_BLEND_MODE_BYPASS,
++ MPCC_BLEND_MODE_TOP_LAYER_PASSTHROUGH,
++ MPCC_BLEND_MODE_TOP_LAYER_ONLY,
++ MPCC_BLEND_MODE_TOP_BOT_BLENDING
++};
++
++enum mpcc_alpha_blend_mode {
++ MPCC_ALPHA_BLEND_MODE_PER_PIXEL_ALPHA,
++ MPCC_ALPHA_BLEND_MODE_PER_PIXEL_ALPHA_COMBINED_GLOBAL_GAIN,
++ MPCC_ALPHA_BLEND_MODE_GLOBAL_ALPHA
++};
++
++/*
++ * MPCC blending configuration
++ */
++struct mpcc_blnd_cfg {
++ struct tg_color black_color; /* background color */
++ enum mpcc_alpha_blend_mode alpha_mode; /* alpha blend mode */
++ bool pre_multiplied_alpha; /* alpha pre-multiplied mode flag */
++ int global_gain;
++ int global_alpha;
++ bool overlap_only;
++
++};
++
++struct mpcc_sm_cfg {
++ bool enable;
++ /* 0-single plane,2-row subsampling,4-column subsampling,6-checkboard subsampling */
++ int sm_mode;
++ /* 0- disable frame alternate, 1- enable frame alternate */
++ bool frame_alt;
++ /* 0- disable field alternate, 1- enable field alternate */
++ bool field_alt;
++ /* 0-no force,2-force frame polarity from top,3-force frame polarity from bottom */
++ int force_next_frame_porlarity;
++ /* 0-no force,2-force field polarity from top,3-force field polarity from bottom */
++ int force_next_field_polarity;
++};
++
++/*
++ * MPCC connection and blending configuration for a single MPCC instance.
++ * This struct is used as a node in an MPC tree.
++ */
++struct mpcc {
++ int mpcc_id; /* MPCC physical instance */
++ int dpp_id; /* DPP input to this MPCC */
++ struct mpcc *mpcc_bot; /* pointer to bottom layer MPCC. NULL when not connected */
++ struct mpcc_blnd_cfg blnd_cfg; /* The blending configuration for this MPCC */
++ struct mpcc_sm_cfg sm_cfg; /* stereo mix setting for this MPCC */
++};
++
++/*
++ * MPC tree represents all MPCC connections for a pipe.
++ */
++struct mpc_tree {
++ int opp_id; /* The OPP instance that owns this MPC tree */
++ struct mpcc *opp_list; /* The top MPCC layer of the MPC tree that outputs to OPP endpoint */
+ };
+
+ struct mpc {
+ const struct mpc_funcs *funcs;
+ struct dc_context *ctx;
++
++ struct mpcc mpcc_array[MAX_MPCC];
+ };
+
+ struct mpc_funcs {
+- int (*add)(struct mpc *mpc, struct mpcc_cfg *cfg);
++ /*
++ * Insert DPP into MPC tree based on specified blending position.
++ * Only used for planes that are part of blending chain for OPP output
++ *
++ * Parameters:
++ * [in/out] mpc - MPC context.
++ * [in/out] tree - MPC tree structure that plane will be added to.
++ * [in] blnd_cfg - MPCC blending configuration for the new blending layer.
++ * [in] sm_cfg - MPCC stereo mix configuration for the new blending layer.
++ * stereo mix must disable for the very bottom layer of the tree config.
++ * [in] insert_above_mpcc - Insert new plane above this MPCC. If NULL, insert as bottom plane.
++ * [in] dpp_id - DPP instance for the plane to be added.
++ * [in] mpcc_id - The MPCC physical instance to use for blending.
++ *
++ * Return: struct mpcc* - MPCC that was added.
++ */
++ struct mpcc* (*insert_plane)(
++ struct mpc *mpc,
++ struct mpc_tree *tree,
++ struct mpcc_blnd_cfg *blnd_cfg,
++ struct mpcc_sm_cfg *sm_cfg,
++ struct mpcc *insert_above_mpcc,
++ int dpp_id,
++ int mpcc_id);
+
+- void (*remove)(struct mpc *mpc,
+- struct mpc_tree_cfg *tree_cfg,
+- int opp_id,
+- int mpcc_inst);
++ /*
++ * Remove a specified MPCC from the MPC tree.
++ *
++ * Parameters:
++ * [in/out] mpc - MPC context.
++ * [in/out] tree - MPC tree structure that plane will be removed from.
++ * [in/out] mpcc - MPCC to be removed from tree.
++ *
++ * Return: void
++ */
++ void (*remove_mpcc)(
++ struct mpc *mpc,
++ struct mpc_tree *tree,
++ struct mpcc *mpcc);
+
+- void (*wait_for_idle)(struct mpc *mpc, int id);
++ /*
++ * Reset the MPCC HW status by disconnecting all muxes.
++ *
++ * Parameters:
++ * [in/out] mpc - MPC context.
++ * [in] mpcc_id - The MPCC physical instance to reset.
++ *
++ * Return: void
++ */
++ void (*reset_mpcc)(
++ struct mpc *mpc,
++ int mpcc_id);
+
+- void (*update_blend_mode)(struct mpc *mpc, struct mpcc_cfg *cfg);
++ /*
++ * Update the blending configuration for a specified MPCC.
++ *
++ * Parameters:
++ * [in/out] mpc - MPC context.
++ * [in] blnd_cfg - MPCC blending configuration.
++ * [in] mpcc_id - The MPCC physical instance.
++ *
++ * Return: void
++ */
++ void (*update_blending)(
++ struct mpc *mpc,
++ struct mpcc_blnd_cfg *blnd_cfg,
++ int mpcc_id);
+
+- int (*get_opp_id)(struct mpc *mpc, int mpcc_id);
++ struct mpcc* (*get_mpcc_for_dpp)(
++ struct mpc_tree *tree,
++ int dpp_id);
++
++ void (*wait_for_idle)(struct mpc *mpc, int id);
+
+- void (*set_output_csc)(struct mpc *mpc,
+- int opp_id,
+- const struct out_csc_color_matrix *tbl_entry,
+- enum mpc_output_csc_mode ocsc_mode);
++ void (*assert_mpcc_idle_before_connect)(struct mpc *mpc, int mpcc_id);
+
+- void (*set_ocsc_default)(struct mpc *mpc,
+- int opp_id,
+- enum dc_color_space color_space,
+- enum mpc_output_csc_mode ocsc_mode);
++ void (*init_mpcc_list_from_hw)(
++ struct mpc *mpc,
++ struct mpc_tree *tree);
++
++ int (*get_opp_id)(struct mpc *mpc, int mpcc_id);
+
+ };
+
+diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/opp.h b/drivers/gpu/drm/amd/display/dc/inc/hw/opp.h
+index 579d105..8c3a302 100644
+--- a/drivers/gpu/drm/amd/display/dc/inc/hw/opp.h
++++ b/drivers/gpu/drm/amd/display/dc/inc/hw/opp.h
+@@ -29,6 +29,7 @@
+ #include "hw_shared.h"
+ #include "dc_hw_types.h"
+ #include "transform.h"
++#include "mpc.h"
+
+ struct fixed31_32;
+
+@@ -204,7 +205,7 @@ struct output_pixel_processor {
+ struct dc_context *ctx;
+ uint32_t inst;
+ struct pwl_params regamma_params;
+- struct mpc_tree_cfg mpc_tree;
++ struct mpc_tree mpc_tree_params;
+ bool mpcc_disconnect_pending[MAX_PIPES];
+ const struct opp_funcs *funcs;
+ };
+--
+2.7.4
+