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authorKen Chalmers <ken.chalmers@amd.com>2018-11-06 14:24:12 -0500
committerAlex Deucher <alexander.deucher@amd.com>2019-01-14 15:04:39 -0500
commit380604e27bc9c26ce64a83044aa1ea76ffd28caf (patch)
tree8e9a9e2cee34380c330bf9e497d0c208606c1a6d /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
parent43995f8fb64c54b740262f72ab51d41268c0f7ff (diff)
drm/amd/display: Use 100 Hz precision for pipe pixel clocks
[Why] Users would like more accurate pixel clocks, especially for fractional "TV" frame rates like 59.94 Hz. [How] Store and communicate pixel clocks with 100 Hz accuracy from dc_crtc_timing through to BIOS command table setpixelclock call. Signed-off-by: Ken Chalmers <ken.chalmers@amd.com> Reviewed-by: Charlene Liu <Charlene.Liu@amd.com> Acked-by: Leo Li <sunpeng.li@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
index b0bc8314c6d5..e6ab0186955c 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
@@ -205,7 +205,7 @@ bool dm_helpers_dp_mst_write_payload_allocation_table(
mst_port = aconnector->port;
if (enable) {
- clock = stream->timing.pix_clk_khz;
+ clock = stream->timing.pix_clk_100hz / 10;
switch (stream->timing.display_color_depth) {