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authorYongqiang Sun <yongqiang.sun@amd.com>2020-09-18 16:33:55 -0400
committerAlex Deucher <alexander.deucher@amd.com>2020-10-05 15:16:43 -0400
commit54e8094a76bc8cd41d1ec5c2c2a8755e64349142 (patch)
tree18ad3bbe34081d83326d72ff8136550591f1743c /drivers/gpu/drm/amd/display/dc/dcn21
parent7c4ed1df0a59541b0c40c468df52217c2e03c210 (diff)
drm/amd/display: Block ABM in case of eDP ODM
[Why] enable ODM on eDP panel with ABM will result in color difference on the panel due to only one ABM module to set one pipe. [How] Block ABM in case of ODM enabled on eDP. Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com> Reviewed-by: Eric Yang <eric.yang2@amd.com> Acked-by: Eryk Brol <eryk.brol@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn21')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c15
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.h2
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn21/dcn21_init.c1
3 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c
index 01f1d3d9a639..1fa193078803 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c
@@ -223,3 +223,18 @@ bool dcn21_set_backlight_level(struct pipe_ctx *pipe_ctx,
return true;
}
+bool dcn21_is_abm_supported(struct dc *dc,
+ struct dc_state *context, struct dc_stream_state *stream)
+{
+ int i;
+
+ for (i = 0; i < dc->res_pool->pipe_count; i++) {
+ struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
+
+ if (pipe_ctx->stream == stream &&
+ (pipe_ctx->prev_odm_pipe == NULL && pipe_ctx->next_odm_pipe == NULL))
+ return true;
+ }
+ return false;
+}
+
diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.h b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.h
index 9e97747e57cd..9cee9bdb8de9 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.h
@@ -52,5 +52,7 @@ void dcn21_set_abm_immediate_disable(struct pipe_ctx *pipe_ctx);
bool dcn21_set_backlight_level(struct pipe_ctx *pipe_ctx,
uint32_t backlight_pwm_u16_16,
uint32_t frame_ramp);
+bool dcn21_is_abm_supported(struct dc *dc,
+ struct dc_state *context, struct dc_stream_state *stream);
#endif /* __DC_HWSS_DCN21_H__ */
diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_init.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_init.c
index 2b7396c9fcb4..4ab29911508d 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_init.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_init.c
@@ -98,6 +98,7 @@ static const struct hw_sequencer_funcs dcn21_funcs = {
#ifndef TRIM_FSFT
.optimize_timing_for_fsft = dcn20_optimize_timing_for_fsft,
#endif
+ .is_abm_supported = dcn21_is_abm_supported,
};
static const struct hwseq_private_funcs dcn21_private_funcs = {