[PATCH 16/21] drm/amd/display: enable HUBP blank behaviour
Rodrigo Siqueira
Rodrigo.Siqueira at amd.com
Fri Jan 8 21:50:02 UTC 2021
From: Bhawanpreet Lakha <Bhawanpreet.Lakha at amd.com>
- Reverts "drm/amd/display: Revert HUBP blank behaviour for now"
- Hubp blank will fail if the pipe is locked (this is the case on
linux), so add a check to make sure pipe isn't locked, if it is then
defer the blank to post_unlock.
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha at amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas at amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira at amd.com>
---
.../gpu/drm/amd/display/dc/dcn10/dcn10_optc.c | 11 +++++++++
.../gpu/drm/amd/display/dc/dcn10/dcn10_optc.h | 1 +
.../drm/amd/display/dc/dcn20/dcn20_hwseq.c | 8 +++++++
.../drm/amd/display/dc/dcn30/dcn30_hwseq.c | 23 +++++++++++++++++--
.../gpu/drm/amd/display/dc/dcn30/dcn30_optc.c | 1 +
.../dc/dml/dcn30/display_mode_vba_30.c | 2 +-
.../gpu/drm/amd/display/dc/inc/core_types.h | 1 +
.../amd/display/dc/inc/hw/timing_generator.h | 1 +
8 files changed, 45 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c
index f033397a84e9..6138f4887de7 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c
@@ -659,6 +659,16 @@ void optc1_unlock(struct timing_generator *optc)
OTG_MASTER_UPDATE_LOCK, 0);
}
+bool optc1_is_locked(struct timing_generator *optc)
+{
+ struct optc *optc1 = DCN10TG_FROM_TG(optc);
+ uint32_t locked;
+
+ REG_GET(OTG_MASTER_UPDATE_LOCK, UPDATE_LOCK_STATUS, &locked);
+
+ return (locked == 1);
+}
+
void optc1_get_position(struct timing_generator *optc,
struct crtc_position *position)
{
@@ -1513,6 +1523,7 @@ static const struct timing_generator_funcs dcn10_tg_funcs = {
.enable_crtc_reset = optc1_enable_crtc_reset,
.disable_reset_trigger = optc1_disable_reset_trigger,
.lock = optc1_lock,
+ .is_locked = optc1_is_locked,
.unlock = optc1_unlock,
.enable_optc_clock = optc1_enable_optc_clock,
.set_drr = optc1_set_drr,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h
index b12bd9aae52f..b222c67973d4 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h
@@ -638,6 +638,7 @@ void optc1_set_blank(struct timing_generator *optc,
bool enable_blanking);
bool optc1_is_blanked(struct timing_generator *optc);
+bool optc1_is_locked(struct timing_generator *optc);
void optc1_program_blank_color(
struct timing_generator *optc,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
index b74f79575cdf..18653c423c96 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
@@ -1765,6 +1765,14 @@ void dcn20_post_unlock_program_front_end(
}
}
+ for (i = 0; i < dc->res_pool->pipe_count; i++) {
+ struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
+
+ if (pipe->vtp_locked) {
+ dc->hwss.set_hubp_blank(dc, pipe, true);
+ pipe->vtp_locked = false;
+ }
+ }
/* WA to apply WM setting*/
if (hwseq->wa.DEGVIDCN21)
dc->res_pool->hubbub->funcs->apply_DEDCN21_147_wa(dc->res_pool->hubbub);
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c
index 7f26c9444933..e5cc8f8c363f 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c
@@ -891,6 +891,25 @@ void dcn30_set_disp_pattern_generator(const struct dc *dc,
const struct tg_color *solid_color,
int width, int height, int offset)
{
- pipe_ctx->stream_res.opp->funcs->opp_set_disp_pattern_generator(pipe_ctx->stream_res.opp, test_pattern,
- color_space, color_depth, solid_color, width, height, offset);
+ struct stream_resource *stream_res = &pipe_ctx->stream_res;
+
+ if (test_pattern != CONTROLLER_DP_TEST_PATTERN_VIDEOMODE) {
+ pipe_ctx->vtp_locked = false;
+ /* turning on DPG */
+ stream_res->opp->funcs->opp_set_disp_pattern_generator(stream_res->opp, test_pattern, color_space,
+ color_depth, solid_color, width, height, offset);
+
+ /* Defer hubp blank if tg is locked */
+ if (stream_res->tg->funcs->is_tg_enabled(stream_res->tg)) {
+ if (stream_res->tg->funcs->is_locked(stream_res->tg))
+ pipe_ctx->vtp_locked = true;
+ else
+ dc->hwss.set_hubp_blank(dc, pipe_ctx, true);
+ }
+ } else {
+ dc->hwss.set_hubp_blank(dc, pipe_ctx, false);
+ /* turning off DPG */
+ stream_res->opp->funcs->opp_set_disp_pattern_generator(stream_res->opp, test_pattern, color_space,
+ color_depth, solid_color, width, height, offset);
+ }
}
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c
index 3ba3991ee612..8980c90b2277 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c
@@ -309,6 +309,7 @@ static struct timing_generator_funcs dcn30_tg_funcs = {
.enable_crtc_reset = optc1_enable_crtc_reset,
.disable_reset_trigger = optc1_disable_reset_trigger,
.lock = optc3_lock,
+ .is_locked = optc1_is_locked,
.unlock = optc1_unlock,
.lock_doublebuffer_enable = optc3_lock_doublebuffer_enable,
.lock_doublebuffer_disable = optc3_lock_doublebuffer_disable,
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c
index 319dec59bcd1..1fe3fb14afd4 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c
@@ -5558,7 +5558,7 @@ static void CalculateWatermarksAndDRAMSpeedChangeSupport(
}
}
- if (mode_lib->vba.MinActiveDRAMClockChangeMargin > 0 && PrefetchMode == 0) {
+ if (mode_lib->vba.MinActiveDRAMClockChangeMargin > 0) {
*DRAMClockChangeSupport = dm_dram_clock_change_vactive;
} else if (((mode_lib->vba.SynchronizedVBlank == true || mode_lib->vba.TotalNumberOfActiveOTG == 1 || SecondMinActiveDRAMClockChangeMarginOneDisplayInVBLank > 0) && PrefetchMode == 0)) {
*DRAMClockChangeSupport = dm_dram_clock_change_vblank;
diff --git a/drivers/gpu/drm/amd/display/dc/inc/core_types.h b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
index 2d77eac66cb0..8efa1b80546d 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/core_types.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
@@ -333,6 +333,7 @@ struct pipe_ctx {
union pipe_update_flags update_flags;
struct dwbc *dwbc;
struct mcif_wb *mcif_wb;
+ bool vtp_locked;
};
struct resource_context {
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 f7632fe25976..754832d216fd 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
@@ -190,6 +190,7 @@ struct timing_generator_funcs {
void (*set_blank)(struct timing_generator *tg,
bool enable_blanking);
bool (*is_blanked)(struct timing_generator *tg);
+ bool (*is_locked)(struct timing_generator *tg);
void (*set_overscan_blank_color) (struct timing_generator *tg, const struct tg_color *color);
void (*set_blank_color)(struct timing_generator *tg, const struct tg_color *color);
void (*set_colors)(struct timing_generator *tg,
--
2.25.1
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