[PATCH AUTOSEL 5.4 24/57] drm/amd/display: fix dml prefetch validation
From: Sasha Levin <sashal@kernel.org>
Date: 2021-05-03 16:52:51
Also in:
amd-gfx, dri-devel, lkml
Subsystem:
amd display core, amd display core - dml, drm drivers, radeon and amdgpu drm drivers, the rest · Maintainers:
Harry Wentland, Leo Li, Austin Zheng, Jun Lei, David Airlie, Simona Vetter, Alex Deucher, Christian König, Linus Torvalds
From: Dmytro Laktyushkin <redacted> [ Upstream commit 8ee0fea4baf90e43efe2275de208a7809f9985bc ] Incorrect variable used, missing initialization during validation. Tested-by: Daniel Wheeler <redacted> Signed-off-by: Dmytro Laktyushkin <redacted> Reviewed-by: Eric Bernstein <redacted> Acked-by: Solomon Chiu <redacted> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c | 1 + drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c | 1 + 2 files changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c
index 6c6c486b774a..945d23ca3677 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c@@ -3435,6 +3435,7 @@ void dml20_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l mode_lib->vba.DCCEnabledInAnyPlane = true; } } + mode_lib->vba.UrgentLatency = mode_lib->vba.UrgentLatencyPixelDataOnly; for (i = 0; i <= mode_lib->vba.soc.num_states; i++) { locals->FabricAndDRAMBandwidthPerState[i] = dml_min( mode_lib->vba.DRAMSpeedPerState[i] * mode_lib->vba.NumberOfChannels
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c
index 0fafd693ffb4..5b5ed1be19ba 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c@@ -3467,6 +3467,7 @@ void dml20v2_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode mode_lib->vba.DCCEnabledInAnyPlane = true; } } + mode_lib->vba.UrgentLatency = mode_lib->vba.UrgentLatencyPixelDataOnly; for (i = 0; i <= mode_lib->vba.soc.num_states; i++) { locals->FabricAndDRAMBandwidthPerState[i] = dml_min( mode_lib->vba.DRAMSpeedPerState[i] * mode_lib->vba.NumberOfChannels
--
2.30.2