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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0375-drm-amd-display-FreeSync-Auto-Sweep-Support.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0375-drm-amd-display-FreeSync-Auto-Sweep-Support.patch864
1 files changed, 864 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0375-drm-amd-display-FreeSync-Auto-Sweep-Support.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0375-drm-amd-display-FreeSync-Auto-Sweep-Support.patch
new file mode 100644
index 00000000..03542942
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0375-drm-amd-display-FreeSync-Auto-Sweep-Support.patch
@@ -0,0 +1,864 @@
+From 76f655287021a9dac9213aa3b669e38dacbbde5f Mon Sep 17 00:00:00 2001
+From: Eric Cook <Eric.Cook@amd.com>
+Date: Tue, 18 Apr 2017 15:24:50 -0400
+Subject: [PATCH 0375/4131] drm/amd/display: FreeSync Auto Sweep Support
+
+Implement core support to allow for FreeSync Auto Sweep to work
+
+Signed-off-by: Eric Cook <Eric.Cook@amd.com>
+Acked-by: Harry Wentland <Harry.Wentland@amd.com>
+Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/display/dc/core/dc.c | 28 +++
+ drivers/gpu/drm/amd/display/dc/core/dc_debug.c | 5 +-
+ drivers/gpu/drm/amd/display/dc/dc.h | 6 +
+ .../amd/display/dc/dce110/dce110_hw_sequencer.c | 13 ++
+ .../display/dc/dce110/dce110_timing_generator.c | 61 +++---
+ .../display/dc/dce110/dce110_timing_generator.h | 9 +-
+ .../display/dc/dce110/dce110_timing_generator_v.c | 23 +--
+ .../display/dc/dce120/dce120_timing_generator.c | 73 ++++++-
+ .../amd/display/dc/dce80/dce80_timing_generator.c | 2 +-
+ .../drm/amd/display/dc/inc/hw/timing_generator.h | 10 +-
+ drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h | 3 +
+ .../drm/amd/display/modules/freesync/freesync.c | 227 ++++++++++++++++-----
+ .../gpu/drm/amd/display/modules/inc/mod_freesync.h | 20 ++
+ 13 files changed, 357 insertions(+), 123 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
+index 93c936d..2e74fae 100644
+--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
++++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
+@@ -175,6 +175,31 @@ static bool stream_adjust_vmin_vmax(struct dc *dc,
+ return ret;
+ }
+
++static bool stream_get_crtc_position(struct dc *dc,
++ const struct dc_stream **stream, int num_streams,
++ unsigned int *v_pos, unsigned int *nom_v_pos)
++{
++ /* TODO: Support multiple streams */
++ struct core_dc *core_dc = DC_TO_CORE(dc);
++ struct core_stream *core_stream = DC_STREAM_TO_CORE(stream[0]);
++ int i = 0;
++ bool ret = false;
++ struct crtc_position position;
++
++ for (i = 0; i < MAX_PIPES; i++) {
++ struct pipe_ctx *pipe =
++ &core_dc->current_context->res_ctx.pipe_ctx[i];
++
++ if (pipe->stream == core_stream && pipe->stream_enc) {
++ core_dc->hwss.get_position(&pipe, 1, &position);
++
++ *v_pos = position.vertical_count;
++ *nom_v_pos = position.nominal_vcount;
++ ret = true;
++ }
++ }
++ return ret;
++}
+
+ static bool set_gamut_remap(struct dc *dc,
+ const struct dc_stream **stream, int num_streams)
+@@ -349,6 +374,9 @@ static void allocate_dc_stream_funcs(struct core_dc *core_dc)
+ core_dc->public.stream_funcs.set_static_screen_events =
+ set_static_screen_events;
+
++ core_dc->public.stream_funcs.get_crtc_position =
++ stream_get_crtc_position;
++
+ core_dc->public.stream_funcs.set_gamut_remap =
+ set_gamut_remap;
+
+diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_debug.c b/drivers/gpu/drm/amd/display/dc/core/dc_debug.c
+index fb48b89..ee840e7 100644
+--- a/drivers/gpu/drm/amd/display/dc/core/dc_debug.c
++++ b/drivers/gpu/drm/amd/display/dc/core/dc_debug.c
+@@ -287,6 +287,7 @@ void context_timing_trace(
+ struct core_dc *core_dc = DC_TO_CORE(dc);
+ struct dal_logger *logger = core_dc->ctx->logger;
+ int h_pos[MAX_PIPES], v_pos[MAX_PIPES];
++ struct crtc_position position;
+
+ for (i = 0; i < core_dc->res_pool->pipe_count; i++) {
+ struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
+@@ -294,7 +295,9 @@ void context_timing_trace(
+ if (pipe_ctx->stream == NULL)
+ continue;
+
+- pipe_ctx->tg->funcs->get_position(pipe_ctx->tg, &h_pos[i], &v_pos[i]);
++ pipe_ctx->tg->funcs->get_position(pipe_ctx->tg, &position);
++ h_pos[i] = position.horizontal_count;
++ v_pos[i] = position.vertical_count;
+ }
+ for (i = 0; i < core_dc->res_pool->pipe_count; i++) {
+ struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
+diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
+index d12aa72..647c095 100644
+--- a/drivers/gpu/drm/amd/display/dc/dc.h
++++ b/drivers/gpu/drm/amd/display/dc/dc.h
+@@ -103,6 +103,12 @@ struct dc_stream_funcs {
+ int num_streams,
+ int vmin,
+ int vmax);
++ bool (*get_crtc_position)(struct dc *dc,
++ const struct dc_stream **stream,
++ int num_streams,
++ unsigned int *v_pos,
++ unsigned int *nom_v_pos);
++
+
+ void (*stream_update_scaling)(const struct dc *dc,
+ const struct dc_stream *dc_stream,
+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 6a93c96..0e69ace 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
+@@ -1362,6 +1362,18 @@ static void set_drr(struct pipe_ctx **pipe_ctx,
+ }
+ }
+
++static void get_position(struct pipe_ctx **pipe_ctx,
++ int num_pipes,
++ struct crtc_position *position)
++{
++ int i = 0;
++
++ /* TODO: handle pipes > 1
++ */
++ for (i = 0; i < num_pipes; i++)
++ pipe_ctx[i]->tg->funcs->get_position(pipe_ctx[i]->tg, position);
++}
++
+ static void set_static_screen_control(struct pipe_ctx **pipe_ctx,
+ int num_pipes, const struct dc_static_screen_events *events)
+ {
+@@ -2486,6 +2498,7 @@ static const struct hw_sequencer_funcs dce110_funcs = {
+ .pipe_control_lock = dce_pipe_control_lock,
+ .set_bandwidth = dce110_set_bandwidth,
+ .set_drr = set_drr,
++ .get_position = get_position,
+ .set_static_screen_control = set_static_screen_control,
+ .reset_hw_ctx_wrap = reset_hw_ctx_wrap,
+ .prog_pixclk_crtc_otg = dce110_prog_pixclk_crtc_otg,
+diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c
+index 2376072..ec59927 100644
+--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c
++++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c
+@@ -518,34 +518,38 @@ uint32_t dce110_timing_generator_get_vblank_counter(struct timing_generator *tg)
+
+ /**
+ *****************************************************************************
+- * Function: dce110_get_crtc_positions
++ * Function: dce110_timing_generator_get_position
+ *
+ * @brief
+ * Returns CRTC vertical/horizontal counters
+ *
+- * @param [out] v_position, h_position
++ * @param [out] position
+ *****************************************************************************
+ */
+-
+-void dce110_timing_generator_get_crtc_positions(
+- struct timing_generator *tg,
+- int32_t *h_position,
+- int32_t *v_position)
++void dce110_timing_generator_get_position(struct timing_generator *tg,
++ struct crtc_position *position)
+ {
+ uint32_t value;
+ struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg);
+
+ value = dm_read_reg(tg->ctx, CRTC_REG(mmCRTC_STATUS_POSITION));
+
+- *h_position = get_reg_field_value(
++ position->horizontal_count = get_reg_field_value(
+ value,
+ CRTC_STATUS_POSITION,
+ CRTC_HORZ_COUNT);
+
+- *v_position = get_reg_field_value(
++ position->vertical_count = get_reg_field_value(
+ value,
+ CRTC_STATUS_POSITION,
+ CRTC_VERT_COUNT);
++
++ value = dm_read_reg(tg->ctx, CRTC_REG(mmCRTC_NOM_VERT_POSITION));
++
++ position->nominal_vcount = get_reg_field_value(
++ value,
++ CRTC_NOM_VERT_POSITION,
++ CRTC_VERT_COUNT_NOM);
+ }
+
+ /**
+@@ -566,18 +570,23 @@ void dce110_timing_generator_get_crtc_scanoutpos(
+ uint32_t *v_position)
+ {
+ struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg);
++ struct crtc_position position;
+
+- uint32_t v_blank_start_end = dm_read_reg(tg->ctx,
++ uint32_t value = dm_read_reg(tg->ctx,
+ CRTC_REG(mmCRTC_V_BLANK_START_END));
+
+- *v_blank_start = get_reg_field_value(v_blank_start_end,
++ *v_blank_start = get_reg_field_value(value,
+ CRTC_V_BLANK_START_END,
+ CRTC_V_BLANK_START);
+- *v_blank_end = get_reg_field_value(v_blank_start_end,
++ *v_blank_end = get_reg_field_value(value,
+ CRTC_V_BLANK_START_END,
+ CRTC_V_BLANK_END);
+
+- dce110_timing_generator_get_crtc_positions(tg, h_position, v_position);
++ dce110_timing_generator_get_position(
++ tg, &position);
++
++ *h_position = position.horizontal_count;
++ *v_position = position.vertical_count;
+ }
+
+ /* TODO: is it safe to assume that mask/shift of Primary and Underlay
+@@ -1344,15 +1353,13 @@ void dce110_timing_generator_tear_down_global_swap_lock(
+ */
+ bool dce110_timing_generator_is_counter_moving(struct timing_generator *tg)
+ {
+- uint32_t h1 = 0;
+- uint32_t h2 = 0;
+- uint32_t v1 = 0;
+- uint32_t v2 = 0;
++ struct crtc_position position1, position2;
+
+- tg->funcs->get_position(tg, &h1, &v1);
+- tg->funcs->get_position(tg, &h2, &v2);
++ tg->funcs->get_position(tg, &position1);
++ tg->funcs->get_position(tg, &position2);
+
+- if (h1 == h2 && v1 == v2)
++ if (position1.horizontal_count == position2.horizontal_count &&
++ position1.vertical_count == position2.vertical_count)
+ return false;
+ else
+ return true;
+@@ -1750,18 +1757,6 @@ void dce110_tg_set_overscan_color(struct timing_generator *tg,
+ dm_write_reg(ctx, addr, value);
+ }
+
+-void dce110_tg_get_position(struct timing_generator *tg,
+- struct crtc_position *position)
+-{
+- int32_t h_position;
+- int32_t v_position;
+-
+- dce110_timing_generator_get_crtc_positions(tg, &h_position, &v_position);
+-
+- position->horizontal_count = (uint32_t)h_position;
+- position->vertical_count = (uint32_t)v_position;
+-}
+-
+ void dce110_tg_program_timing(struct timing_generator *tg,
+ const struct dc_crtc_timing *timing,
+ bool use_vbios)
+@@ -1895,7 +1890,7 @@ static const struct timing_generator_funcs dce110_tg_funcs = {
+ .enable_crtc = dce110_timing_generator_enable_crtc,
+ .disable_crtc = dce110_timing_generator_disable_crtc,
+ .is_counter_moving = dce110_timing_generator_is_counter_moving,
+- .get_position = dce110_timing_generator_get_crtc_positions,
++ .get_position = dce110_timing_generator_get_position,
+ .get_frame_count = dce110_timing_generator_get_vblank_counter,
+ .get_scanoutpos = dce110_timing_generator_get_crtc_scanoutpos,
+ .set_early_control = dce110_timing_generator_set_early_control,
+diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.h b/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.h
+index f14a4d9..a5d63c6 100644
+--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.h
++++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.h
+@@ -151,11 +151,9 @@ void dce110_timing_generator_set_early_control(
+ uint32_t dce110_timing_generator_get_vblank_counter(
+ struct timing_generator *tg);
+
+-/* Get current H and V position */
+-void dce110_timing_generator_get_crtc_positions(
++void dce110_timing_generator_get_position(
+ struct timing_generator *tg,
+- int32_t *h_position,
+- int32_t *v_position);
++ struct crtc_position *position);
+
+ /* return true if TG counter is moving. false if TG is stopped */
+ bool dce110_timing_generator_is_counter_moving(struct timing_generator *tg);
+@@ -251,9 +249,6 @@ void dce110_tg_program_blank_color(struct timing_generator *tg,
+ void dce110_tg_set_overscan_color(struct timing_generator *tg,
+ const struct tg_color *overscan_color);
+
+-void dce110_tg_get_position(struct timing_generator *tg,
+- struct crtc_position *position);
+-
+ void dce110_tg_program_timing(struct timing_generator *tg,
+ const struct dc_crtc_timing *timing,
+ bool use_vbios);
+diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator_v.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator_v.c
+index c95b694..759c55bb 100644
+--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator_v.c
++++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator_v.c
+@@ -570,24 +570,11 @@ static void dce110_timing_generator_v_set_early_control(
+ dm_write_reg(tg->ctx, address, regval);
+ }
+
+-static void dce110_timing_generator_v_get_crtc_positions(
+- struct timing_generator *tg,
+- int32_t *h_position,
+- int32_t *v_position)
++static void dce110_timing_generator_get_underlay_position(struct timing_generator *tg,
++ struct crtc_position *position)
+ {
+- uint32_t value;
+-
+- value = dm_read_reg(tg->ctx, mmCRTCV_STATUS_POSITION);
+-
+- *h_position = get_reg_field_value(
+- value,
+- CRTCV_STATUS_POSITION,
+- CRTC_HORZ_COUNT);
+-
+- *v_position = get_reg_field_value(
+- value,
+- CRTCV_STATUS_POSITION,
+- CRTC_VERT_COUNT);
++ //Should never hit this case
++ ASSERT(false);
+ }
+
+ static uint32_t dce110_timing_generator_v_get_vblank_counter(struct timing_generator *tg)
+@@ -665,7 +652,7 @@ static const struct timing_generator_funcs dce110_tg_v_funcs = {
+ .enable_crtc = dce110_timing_generator_v_enable_crtc,
+ .disable_crtc = dce110_timing_generator_v_disable_crtc,
+ .is_counter_moving = dce110_timing_generator_v_is_counter_moving,
+- .get_position = dce110_timing_generator_v_get_crtc_positions,
++ .get_position = dce110_timing_generator_get_underlay_position,
+ .get_frame_count = dce110_timing_generator_v_get_vblank_counter,
+ .set_early_control = dce110_timing_generator_v_set_early_control,
+ .wait_for_state = dce110_timing_generator_v_wait_for_state,
+diff --git a/drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c b/drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c
+index 1318df7..245356e 100644
+--- a/drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c
++++ b/drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c
+@@ -180,10 +180,9 @@ uint32_t dce120_timing_generator_get_vblank_counter(
+ }
+
+ /* Get current H and V position */
+-void dce120_timing_generator_get_crtc_positions(
++void dce120_timing_generator_get_crtc_position(
+ struct timing_generator *tg,
+- int32_t *h_position,
+- int32_t *v_position)
++ struct crtc_position *position)
+ {
+ struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg);
+ uint32_t value = dm_read_reg_soc15(
+@@ -191,11 +190,19 @@ void dce120_timing_generator_get_crtc_positions(
+ mmCRTC0_CRTC_STATUS_POSITION,
+ tg110->offsets.crtc);
+
+- *h_position = get_reg_field_value(
+- value, CRTC0_CRTC_STATUS_POSITION, CRTC_HORZ_COUNT);
++ position->horizontal_count = get_reg_field_value(value,
++ CRTC0_CRTC_STATUS_POSITION, CRTC_HORZ_COUNT);
+
+- *v_position = get_reg_field_value(
+- value, CRTC0_CRTC_STATUS_POSITION, CRTC_VERT_COUNT);
++ position->vertical_count = get_reg_field_value(value,
++ CRTC0_CRTC_STATUS_POSITION, CRTC_VERT_COUNT);
++
++ value = dm_read_reg_soc15(
++ tg->ctx,
++ mmCRTC0_CRTC_NOM_VERT_POSITION,
++ tg110->offsets.crtc);
++
++ position->nominal_vcount = get_reg_field_value(value,
++ CRTC0_CRTC_NOM_VERT_POSITION, CRTC_VERT_COUNT_NOM);
+ }
+
+ /* wait until TG is in beginning of vertical blank region */
+@@ -576,6 +583,49 @@ void dce120_timing_generator_set_drr(
+ }
+ }
+
++/**
++ *****************************************************************************
++ * Function: dce120_timing_generator_get_position
++ *
++ * @brief
++ * Returns CRTC vertical/horizontal counters
++ *
++ * @param [out] position
++ *****************************************************************************
++ */
++void dce120_timing_generator_get_position(struct timing_generator *tg,
++ struct crtc_position *position)
++{
++ uint32_t value;
++ struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg);
++
++ value = dm_read_reg_soc15(
++ tg->ctx,
++ mmCRTC0_CRTC_STATUS_POSITION,
++ tg110->offsets.crtc);
++
++ position->horizontal_count = get_reg_field_value(
++ value,
++ CRTC0_CRTC_STATUS_POSITION,
++ CRTC_HORZ_COUNT);
++
++ position->vertical_count = get_reg_field_value(
++ value,
++ CRTC0_CRTC_STATUS_POSITION,
++ CRTC_VERT_COUNT);
++
++ value = dm_read_reg_soc15(
++ tg->ctx,
++ mmCRTC0_CRTC_NOM_VERT_POSITION,
++ tg110->offsets.crtc);
++
++ position->nominal_vcount = get_reg_field_value(
++ value,
++ CRTC0_CRTC_NOM_VERT_POSITION,
++ CRTC_VERT_COUNT_NOM);
++}
++
++
+ void dce120_timing_generator_get_crtc_scanoutpos(
+ struct timing_generator *tg,
+ uint32_t *v_blank_start,
+@@ -584,6 +634,7 @@ void dce120_timing_generator_get_crtc_scanoutpos(
+ uint32_t *v_position)
+ {
+ struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg);
++ struct crtc_position position;
+
+ uint32_t v_blank_start_end = dm_read_reg_soc15(
+ tg->ctx,
+@@ -597,7 +648,11 @@ void dce120_timing_generator_get_crtc_scanoutpos(
+ CRTC0_CRTC_V_BLANK_START_END,
+ CRTC_V_BLANK_END);
+
+- dce120_timing_generator_get_crtc_positions(tg, h_position, v_position);
++ dce120_timing_generator_get_crtc_position(
++ tg, &position);
++
++ *h_position = position.horizontal_count;
++ *v_position = position.vertical_count;
+ }
+
+ void dce120_timing_generator_enable_advanced_request(
+@@ -1076,7 +1131,7 @@ static struct timing_generator_funcs dce120_tg_funcs = {
+ /* used by enable_timing_synchronization. Not need for FPGA */
+ .is_counter_moving = dce110_timing_generator_is_counter_moving,
+ /* never be called */
+- .get_position = dce120_timing_generator_get_crtc_positions,
++ .get_position = dce120_timing_generator_get_crtc_position,
+ .get_frame_count = dce120_timing_generator_get_vblank_counter,
+ .get_scanoutpos = dce120_timing_generator_get_crtc_scanoutpos,
+ .set_early_control = dce120_timing_generator_set_early_control,
+diff --git a/drivers/gpu/drm/amd/display/dc/dce80/dce80_timing_generator.c b/drivers/gpu/drm/amd/display/dc/dce80/dce80_timing_generator.c
+index 1198f2f..179a6d6 100644
+--- a/drivers/gpu/drm/amd/display/dc/dce80/dce80_timing_generator.c
++++ b/drivers/gpu/drm/amd/display/dc/dce80/dce80_timing_generator.c
+@@ -121,7 +121,7 @@ static const struct timing_generator_funcs dce80_tg_funcs = {
+ .enable_crtc = dce110_timing_generator_enable_crtc,
+ .disable_crtc = dce110_timing_generator_disable_crtc,
+ .is_counter_moving = dce110_timing_generator_is_counter_moving,
+- .get_position = dce110_timing_generator_get_crtc_positions,
++ .get_position = dce110_timing_generator_get_position,
+ .get_frame_count = dce110_timing_generator_get_vblank_counter,
+ .get_scanoutpos = dce110_timing_generator_get_crtc_scanoutpos,
+ .set_early_control = dce110_timing_generator_set_early_control,
+diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h b/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h
+index 235cfe8..2c4a9d0 100644
+--- a/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h
++++ b/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h
+@@ -30,9 +30,9 @@ struct dc_bios;
+
+ /* Contains CRTC vertical/horizontal pixel counters */
+ struct crtc_position {
+- uint32_t vertical_count;
+- uint32_t horizontal_count;
+- uint32_t nominal_vcount;
++ int32_t vertical_count;
++ int32_t horizontal_count;
++ int32_t nominal_vcount;
+ };
+
+ struct dcp_gsl_params {
+@@ -105,8 +105,8 @@ struct timing_generator_funcs {
+ bool (*disable_crtc)(struct timing_generator *tg);
+ bool (*is_counter_moving)(struct timing_generator *tg);
+ void (*get_position)(struct timing_generator *tg,
+- int32_t *h_position,
+- int32_t *v_position);
++ struct crtc_position *position);
++
+ uint32_t (*get_frame_count)(struct timing_generator *tg);
+ void (*get_scanoutpos)(
+ struct timing_generator *tg,
+diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
+index b42e4a0..afdb860 100644
+--- a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
++++ b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
+@@ -131,6 +131,9 @@ struct hw_sequencer_funcs {
+ void (*set_drr)(struct pipe_ctx **pipe_ctx, int num_pipes,
+ int vmin, int vmax);
+
++ void (*get_position)(struct pipe_ctx **pipe_ctx, int num_pipes,
++ struct crtc_position *position);
++
+ void (*set_static_screen_control)(struct pipe_ctx **pipe_ctx,
+ int num_pipes, const struct dc_static_screen_events *events);
+
+diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
+index 78b4f28..f6223e6 100644
+--- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
++++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
+@@ -76,6 +76,16 @@ struct fixed_refresh {
+ bool program_fixed_refresh;
+ };
+
++struct freesync_range {
++ unsigned int min_refresh;
++ unsigned int max_frame_duration;
++ unsigned int vmax;
++
++ unsigned int max_refresh;
++ unsigned int min_frame_duration;
++ unsigned int vmin;
++};
++
+ struct freesync_state {
+ bool fullscreen;
+ bool static_screen;
+@@ -89,6 +99,7 @@ struct freesync_state {
+ struct gradual_static_ramp static_ramp;
+ struct below_the_range btr;
+ struct fixed_refresh fixed_refresh;
++ struct freesync_range freesync_range;
+ };
+
+ struct freesync_entity {
+@@ -342,8 +353,11 @@ static void update_stream(struct core_freesync *core_freesync,
+ }
+ }
+
+-static void calc_vmin_vmax(struct core_freesync *core_freesync,
+- const struct dc_stream *stream, int *vmin, int *vmax)
++static void calc_freesync_range(struct core_freesync *core_freesync,
++ const struct dc_stream *stream,
++ struct freesync_state *state,
++ unsigned int min_refresh_in_uhz,
++ unsigned int max_refresh_in_uhz)
+ {
+ unsigned int min_frame_duration_in_ns = 0, max_frame_duration_in_ns = 0;
+ unsigned int index = map_index_from_stream(core_freesync, stream);
+@@ -351,29 +365,50 @@ static void calc_vmin_vmax(struct core_freesync *core_freesync,
+
+ min_frame_duration_in_ns = ((unsigned int) (div64_u64(
+ (1000000000ULL * 1000000),
+- core_freesync->map[index].state.
+- nominal_refresh_rate_in_micro_hz)));
++ max_refresh_in_uhz)));
+ max_frame_duration_in_ns = ((unsigned int) (div64_u64(
+- (1000000000ULL * 1000000),
+- core_freesync->map[index].caps->min_refresh_in_micro_hz)));
++ (1000000000ULL * 1000000),
++ min_refresh_in_uhz)));
++
++ state->freesync_range.min_refresh = min_refresh_in_uhz;
++ state->freesync_range.max_refresh = max_refresh_in_uhz;
+
+- *vmax = div64_u64(div64_u64(((unsigned long long)(
+- max_frame_duration_in_ns) * stream->timing.pix_clk_khz),
+- stream->timing.h_total), 1000000);
+- *vmin = div64_u64(div64_u64(((unsigned long long)(
+- min_frame_duration_in_ns) * stream->timing.pix_clk_khz),
+- stream->timing.h_total), 1000000);
++ state->freesync_range.max_frame_duration = max_frame_duration_in_ns;
++ state->freesync_range.min_frame_duration = min_frame_duration_in_ns;
++
++ state->freesync_range.vmax = div64_u64(div64_u64(((unsigned long long)(
++ max_frame_duration_in_ns) * stream->timing.pix_clk_khz),
++ stream->timing.h_total), 1000000);
++ state->freesync_range.vmin = div64_u64(div64_u64(((unsigned long long)(
++ min_frame_duration_in_ns) * stream->timing.pix_clk_khz),
++ stream->timing.h_total), 1000000);
+
+ /* In case of 4k free sync monitor, vmin or vmax cannot be less than vtotal */
+- if (*vmin < vtotal) {
++ if (state->freesync_range.vmin < vtotal) {
+ ASSERT(false);
+- *vmin = vtotal;
++ state->freesync_range.vmin = vtotal;
+ }
+
+- if (*vmax < vtotal) {
++ if (state->freesync_range.vmax < vtotal) {
+ ASSERT(false);
+- *vmax = vtotal;
++ state->freesync_range.vmax = vtotal;
+ }
++
++ /* Determine whether BTR can be supported */
++ if (max_frame_duration_in_ns >=
++ 2 * min_frame_duration_in_ns)
++ core_freesync->map[index].caps->btr_supported = true;
++ else
++ core_freesync->map[index].caps->btr_supported = false;
++
++ /* Cache the time variables */
++ state->time.max_render_time_in_us =
++ max_frame_duration_in_ns / 1000;
++ state->time.min_render_time_in_us =
++ min_frame_duration_in_ns / 1000;
++ state->btr.mid_point_in_us =
++ (max_frame_duration_in_ns +
++ min_frame_duration_in_ns) / 2000;
+ }
+
+ static void calc_v_total_from_duration(const struct dc_stream *stream,
+@@ -518,9 +553,8 @@ static bool set_freesync_on_streams(struct core_freesync *core_freesync,
+ state->fixed_refresh.fixed_refresh_active == false) {
+ /* Enable freesync */
+
+- calc_vmin_vmax(core_freesync,
+- streams[stream_idx],
+- &v_total_min, &v_total_max);
++ v_total_min = state->freesync_range.vmin;
++ v_total_max = state->freesync_range.vmax;
+
+ /* Update the freesync context for the stream */
+ update_stream_freesync_context(core_freesync,
+@@ -696,7 +730,7 @@ void mod_freesync_handle_v_update(struct mod_freesync *mod_freesync,
+ (1000000000ULL * 1000000),
+ state->nominal_refresh_rate_in_micro_hz)));
+
+- calc_vmin_vmax(core_freesync, *streams, &vmin, &vmax);
++ vmin = state->freesync_range.vmin;
+
+ inserted_frame_v_total = vmin;
+
+@@ -941,11 +975,120 @@ bool mod_freesync_get_user_enable(struct mod_freesync *mod_freesync,
+ return true;
+ }
+
++bool mod_freesync_override_min_max(struct mod_freesync *mod_freesync,
++ const struct dc_stream *streams,
++ unsigned int min_refresh,
++ unsigned int max_refresh)
++{
++ unsigned int index = 0;
++ struct core_freesync *core_freesync;
++ struct freesync_state *state;
++
++ if (mod_freesync == NULL)
++ return false;
++
++ core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
++ index = map_index_from_stream(core_freesync, streams);
++ state = &core_freesync->map[index].state;
++
++ if (min_refresh == 0 || max_refresh == 0) {
++ /* Restore defaults */
++ calc_freesync_range(core_freesync, streams, state,
++ core_freesync->map[index].caps->
++ min_refresh_in_micro_hz,
++ state->nominal_refresh_rate_in_micro_hz);
++ } else {
++ calc_freesync_range(core_freesync, streams,
++ state,
++ min_refresh,
++ max_refresh);
++
++ /* Program vtotal min/max */
++ core_freesync->dc->stream_funcs.adjust_vmin_vmax(
++ core_freesync->dc, &streams, 1,
++ state->freesync_range.vmin,
++ state->freesync_range.vmax);
++ }
++
++ return true;
++}
++
++bool mod_freesync_get_min_max(struct mod_freesync *mod_freesync,
++ const struct dc_stream *stream,
++ unsigned int *min_refresh,
++ unsigned int *max_refresh)
++{
++ unsigned int index = 0;
++ struct core_freesync *core_freesync = NULL;
++
++ if (mod_freesync == NULL)
++ return false;
++
++ core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
++ index = map_index_from_stream(core_freesync, stream);
++
++ *min_refresh =
++ core_freesync->map[index].state.freesync_range.min_refresh;
++ *max_refresh =
++ core_freesync->map[index].state.freesync_range.max_refresh;
++
++ return true;
++}
++
++bool mod_freesync_get_vmin_vmax(struct mod_freesync *mod_freesync,
++ const struct dc_stream *stream,
++ unsigned int *vmin,
++ unsigned int *vmax)
++{
++ unsigned int index = 0;
++ struct core_freesync *core_freesync = NULL;
++
++ if (mod_freesync == NULL)
++ return false;
++
++ core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
++ index = map_index_from_stream(core_freesync, stream);
++
++ *vmin =
++ core_freesync->map[index].state.freesync_range.vmin;
++ *vmax =
++ core_freesync->map[index].state.freesync_range.vmax;
++
++ return true;
++}
++
++bool mod_freesync_get_v_position(struct mod_freesync *mod_freesync,
++ const struct dc_stream *stream,
++ unsigned int *nom_v_pos,
++ unsigned int *v_pos)
++{
++ unsigned int index = 0;
++ struct core_freesync *core_freesync = NULL;
++ struct crtc_position position;
++
++ if (mod_freesync == NULL)
++ return false;
++
++ core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
++ index = map_index_from_stream(core_freesync, stream);
++
++ if (core_freesync->dc->stream_funcs.get_crtc_position(
++ core_freesync->dc, &stream, 1,
++ &position.vertical_count, &position.nominal_vcount)) {
++
++ *nom_v_pos = position.vertical_count;
++ *v_pos = position.nominal_vcount;
++
++ return true;
++ }
++
++ return false;
++}
++
+ void mod_freesync_notify_mode_change(struct mod_freesync *mod_freesync,
+ const struct dc_stream **streams, int num_streams)
+ {
+ unsigned int stream_index, map_index;
+- unsigned min_frame_duration_in_ns, max_frame_duration_in_ns;
+ struct freesync_state *state;
+ struct core_freesync *core_freesync = NULL;
+
+@@ -965,37 +1108,23 @@ void mod_freesync_notify_mode_change(struct mod_freesync *mod_freesync,
+ unsigned long long temp;
+ temp = streams[stream_index]->timing.pix_clk_khz;
+ temp *= 1000ULL * 1000ULL * 1000ULL;
+- temp = div_u64(temp, streams[stream_index]->timing.h_total);
+- temp = div_u64(temp, streams[stream_index]->timing.v_total);
+- state->nominal_refresh_rate_in_micro_hz = (unsigned int) temp;
++ temp = div_u64(temp,
++ streams[stream_index]->timing.h_total);
++ temp = div_u64(temp,
++ streams[stream_index]->timing.v_total);
++ state->nominal_refresh_rate_in_micro_hz =
++ (unsigned int) temp;
+
+ /* Update the stream */
+ update_stream(core_freesync, streams[stream_index]);
+
+- /* Determine whether BTR can be supported */
+- min_frame_duration_in_ns = ((unsigned int) (div64_u64(
+- (1000000000ULL * 1000000),
+- state->nominal_refresh_rate_in_micro_hz)));
+-
+- max_frame_duration_in_ns = ((unsigned int) (div64_u64(
+- (1000000000ULL * 1000000),
+- core_freesync->map[map_index].caps->min_refresh_in_micro_hz)));
+-
+- if (max_frame_duration_in_ns >=
+- 2 * min_frame_duration_in_ns)
+- core_freesync->map[map_index].caps->btr_supported = true;
+- else
+- core_freesync->map[map_index].caps->btr_supported = false;
+-
+- /* Cache the time variables */
+- state->time.max_render_time_in_us =
+- max_frame_duration_in_ns / 1000;
+- state->time.min_render_time_in_us =
+- min_frame_duration_in_ns / 1000;
+- state->btr.mid_point_in_us =
+- (max_frame_duration_in_ns +
+- min_frame_duration_in_ns) / 2000;
+-
++ /* Calculate vmin/vmax and refresh rate for
++ * current mode
++ */
++ calc_freesync_range(core_freesync, *streams, state,
++ core_freesync->map[stream_index].caps->
++ min_refresh_in_micro_hz,
++ state->nominal_refresh_rate_in_micro_hz);
+ }
+ }
+
+@@ -1178,7 +1307,7 @@ static void apply_fixed_refresh(struct core_freesync *core_freesync,
+ /* Fixed Refresh set to "active" so engage (fix to max) */
+ } else {
+
+- calc_vmin_vmax(core_freesync, stream, &vmin, &vmax);
++ vmin = state->freesync_range.vmin;
+
+ vmax = vmin;
+
+diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h b/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h
+index 783ff2e..3947cc4 100644
+--- a/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h
++++ b/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h
+@@ -129,6 +129,26 @@ bool mod_freesync_get_user_enable(struct mod_freesync *mod_freesync,
+ const struct dc_stream *stream,
+ struct mod_freesync_user_enable *user_enable);
+
++bool mod_freesync_override_min_max(struct mod_freesync *mod_freesync,
++ const struct dc_stream *streams,
++ unsigned int min_refresh,
++ unsigned int max_refresh);
++
++bool mod_freesync_get_min_max(struct mod_freesync *mod_freesync,
++ const struct dc_stream *stream,
++ unsigned int *min_refresh,
++ unsigned int *max_refresh);
++
++bool mod_freesync_get_vmin_vmax(struct mod_freesync *mod_freesync,
++ const struct dc_stream *stream,
++ unsigned int *vmin,
++ unsigned int *vmax);
++
++bool mod_freesync_get_v_position(struct mod_freesync *mod_freesync,
++ const struct dc_stream *stream,
++ unsigned int *nom_v_pos,
++ unsigned int *v_pos);
++
+ void mod_freesync_handle_v_update(struct mod_freesync *mod_freesync,
+ const struct dc_stream **streams, int num_streams);
+
+--
+2.7.4
+