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authorNikola Cornij <nikola.cornij@amd.com>2019-03-27 18:54:19 -0400
committerAlex Deucher <alexander.deucher@amd.com>2019-06-22 09:34:09 -0500
commit87029eb4fad8fd6a46e92886f350c2fe91c6a5e8 (patch)
treed9c0a79fd2df33bdd404ba2c635c8812d5cb4759 /drivers
parentb7d39c5878776cd936cf3d72f60e89dbd39dc56c (diff)
drm/amd/display: Remove additional FEC link bandwidth reduction
[why] This is now done in the original link bandwidth calculation and DSC must not do this anymore. [how] Remove the line of code that should have been removed when transition to correctly applying FEC overhead was made. Signed-off-by: Nikola Cornij <nikola.cornij@amd.com> Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com> Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c b/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c
index e71197d35d79..471eb9873885 100644
--- a/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c
+++ b/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c
@@ -311,19 +311,18 @@ static void get_dsc_bandwidth_range(
*
* Returns:
* - 'true' if DSC was required by policy and was successfully applied
- * - 'false' if DSC was not necessary (e.g. if uncompressed stream fits 'target_bandwidth'),
+ * - 'false' if DSC was not necessary (e.g. if uncompressed stream fits 'target_bandwidth_kbps'),
* or if it couldn't be applied based on DSC policy.
*/
static bool decide_dsc_target_bpp_x16(
const struct dc_dsc_policy *policy,
const struct dsc_enc_caps *dsc_common_caps,
- const int target_bandwidth,
+ const int target_bandwidth_kbps,
const struct dc_crtc_timing *timing,
int *target_bpp_x16)
{
bool should_use_dsc = false;
struct dc_dsc_bw_range range;
- float target_bandwidth_kbps = target_bandwidth * 0.97f; // 3% overhead for FEC
memset(&range, 0, sizeof(range));