diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 22 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc.h | 2 |
3 files changed, 27 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 09163d8d9332..fad40da8422e 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -4428,12 +4428,13 @@ static int dm_update_crtcs_state(struct dc *dc, } } - if (dc_is_stream_unchanged(new_stream, dm_old_crtc_state->stream)) { + if (dc_is_stream_unchanged(new_stream, dm_old_crtc_state->stream) && + dc_is_stream_scaling_unchanged(new_stream, dm_old_crtc_state->stream)) { new_crtc_state->mode_changed = false; DRM_DEBUG_DRIVER("Mode change not required, setting mode_changed to %d", - new_crtc_state->mode_changed); + new_crtc_state->mode_changed); } diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c index 454a521a268d..2a5c91772473 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -1335,6 +1335,28 @@ bool dc_is_stream_unchanged( return true; } +bool dc_is_stream_scaling_unchanged( + struct dc_stream_state *old_stream, struct dc_stream_state *stream) +{ + if (old_stream == stream) + return true; + + if (old_stream == NULL || stream == NULL) + return false; + + if (memcmp(&old_stream->src, + &stream->src, + sizeof(struct rect)) != 0) + return false; + + if (memcmp(&old_stream->dst, + &stream->dst, + sizeof(struct rect)) != 0) + return false; + + return true; +} + /* Maximum TMDS single link pixel clock 165MHz */ #define TMDS_MAX_PIXEL_CLOCK_IN_KHZ 165000 diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index ace17d13683a..f60191d9c7e5 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -627,6 +627,8 @@ struct dc_stream_update { bool dc_is_stream_unchanged( struct dc_stream_state *old_stream, struct dc_stream_state *stream); +bool dc_is_stream_scaling_unchanged( + struct dc_stream_state *old_stream, struct dc_stream_state *stream); /* * Set up surface attributes and associate to a stream |
