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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2086-drm-amd-display-make-clk_mgr-call-enable_pme_wa.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2086-drm-amd-display-make-clk_mgr-call-enable_pme_wa.patch112
1 files changed, 112 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2086-drm-amd-display-make-clk_mgr-call-enable_pme_wa.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2086-drm-amd-display-make-clk_mgr-call-enable_pme_wa.patch
new file mode 100644
index 00000000..2f28ae77
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2086-drm-amd-display-make-clk_mgr-call-enable_pme_wa.patch
@@ -0,0 +1,112 @@
+From 3d5be21125d1a26d6ef7af9fb64bafa7053ec136 Mon Sep 17 00:00:00 2001
+From: Su Sung Chung <Su.Chung@amd.com>
+Date: Thu, 30 May 2019 14:59:03 -0400
+Subject: [PATCH 2086/2940] drm/amd/display: make clk_mgr call enable_pme_wa
+
+refactor a code so we will call clk_mgr's enable_pme_wa function so we
+can use pme_wa for future asics. This way we don't need to worry about
+different ASIC since clk_mgr already have that information
+
+Signed-off-by: Su Sung Chung <Su.Chung@amd.com>
+Reviewed-by: Eric Yang <eric.yang2@amd.com>
+Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
+---
+ .../display/dc/clk_mgr/dcn10/rv1_clk_mgr.c | 14 +++++++++++
+ .../display/dc/dce110/dce110_hw_sequencer.c | 25 +++++--------------
+ 2 files changed, 20 insertions(+), 19 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr.c
+index a8e175cb0fe2..ed53b483f838 100644
+--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr.c
++++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr.c
+@@ -220,9 +220,23 @@ static void rv1_update_clocks(struct clk_mgr *clk_mgr_base,
+ }
+ }
+
++static void rv1_enable_pme_wa(struct clk_mgr *clk_mgr_base)
++{
++ struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
++ struct pp_smu_funcs_rv *pp_smu = NULL;
++
++ if (clk_mgr->pp_smu) {
++ pp_smu = &clk_mgr->pp_smu->rv_funcs;
++
++ if (pp_smu->set_pme_wa_enable)
++ pp_smu->set_pme_wa_enable(&pp_smu->pp_smu);
++ }
++}
++
+ static struct clk_mgr_funcs rv1_clk_funcs = {
+ .get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz,
+ .update_clocks = rv1_update_clocks,
++ .enable_pme_wa = rv1_enable_pme_wa,
+ };
+
+ static struct clk_mgr_internal_funcs rv1_clk_internal_funcs = {
+diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+index 2a7ac452d458..5a831410bc55 100644
+--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
++++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+@@ -939,26 +939,12 @@ void hwss_edp_backlight_control(
+ edp_receiver_ready_T9(link);
+ }
+
+-// Static helper function which calls the correct function
+-// based on pp_smu version
+-static void set_pme_wa_enable_by_version(struct dc *dc)
+-{
+- struct pp_smu_funcs *pp_smu = NULL;
+-
+- if (dc->res_pool->pp_smu)
+- pp_smu = dc->res_pool->pp_smu;
+-
+- if (pp_smu) {
+- if (pp_smu->ctx.ver == PP_SMU_VER_RV && pp_smu->rv_funcs.set_pme_wa_enable)
+- pp_smu->rv_funcs.set_pme_wa_enable(&(pp_smu->ctx));
+- }
+-}
+-
+ void dce110_enable_audio_stream(struct pipe_ctx *pipe_ctx)
+ {
+ /* notify audio driver for audio modes of monitor */
+ struct dc *core_dc = pipe_ctx->stream->ctx->dc;
+ struct pp_smu_funcs *pp_smu = NULL;
++ struct clk_mgr *clk_mgr = core_dc->clk_mgr;
+ unsigned int i, num_audio = 1;
+
+ if (pipe_ctx->stream_res.audio && pipe_ctx->stream_res.audio->enabled == true)
+@@ -976,9 +962,9 @@ void dce110_enable_audio_stream(struct pipe_ctx *pipe_ctx)
+
+ pipe_ctx->stream_res.audio->funcs->az_enable(pipe_ctx->stream_res.audio);
+
+- if (num_audio >= 1 && pp_smu != NULL)
++ if (num_audio >= 1 && clk_mgr->funcs->enable_pme_wa)
+ /*this is the first audio. apply the PME w/a in order to wake AZ from D3*/
+- set_pme_wa_enable_by_version(core_dc);
++ clk_mgr->funcs->enable_pme_wa(clk_mgr);
+ /* un-mute audio */
+ /* TODO: audio should be per stream rather than per link */
+ pipe_ctx->stream_res.stream_enc->funcs->audio_mute_control(
+@@ -992,6 +978,7 @@ void dce110_disable_audio_stream(struct pipe_ctx *pipe_ctx, int option)
+ {
+ struct dc *dc = pipe_ctx->stream->ctx->dc;
+ struct pp_smu_funcs *pp_smu = NULL;
++ struct clk_mgr *clk_mgr = dc->clk_mgr;
+
+ if (pipe_ctx->stream_res.audio && pipe_ctx->stream_res.audio->enabled == false)
+ return;
+@@ -1020,9 +1007,9 @@ void dce110_disable_audio_stream(struct pipe_ctx *pipe_ctx, int option)
+ update_audio_usage(&dc->current_state->res_ctx, dc->res_pool, pipe_ctx->stream_res.audio, false);
+ pipe_ctx->stream_res.audio = NULL;
+ }
+- if (pp_smu != NULL)
++ if (clk_mgr->funcs->enable_pme_wa)
+ /*this is the first audio. apply the PME w/a in order to wake AZ from D3*/
+- set_pme_wa_enable_by_version(dc);
++ clk_mgr->funcs->enable_pme_wa(clk_mgr);
+
+ /* TODO: notify audio driver for if audio modes list changed
+ * add audio mode list change flag */
+--
+2.17.1
+