diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c index 5a701d9df0f7..febaff7d7343 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c @@ -1686,17 +1686,22 @@ double dml32_RequiredDTBCLK( unsigned int AudioRate, unsigned int AudioLayout) { - double PixelWordRate = PixelClock / (OutputFormat == dm_444 ? 1 : 2); - double HCActive = dml_ceil(DSCSlices * dml_ceil(OutputBpp * - dml_ceil(HActive / DSCSlices, 1) / 8.0, 1) / 3.0, 1); - double HCBlank = 64 + 32 * - dml_ceil(AudioRate * (AudioLayout == 1 ? 1 : 0.25) * HTotal / (PixelClock * 1000), 1); - double AverageTribyteRate = PixelWordRate * (HCActive + HCBlank) / HTotal; - double HActiveTribyteRate = PixelWordRate * HCActive / HActive; + double PixelWordRate; + double HCActive; + double HCBlank; + double AverageTribyteRate; + double HActiveTribyteRate; if (DSCEnable != true) return dml_max(PixelClock / 4.0 * OutputBpp / 24.0, 25.0); + PixelWordRate = PixelClock / (OutputFormat == dm_444 ? 1 : 2); + HCActive = dml_ceil(DSCSlices * dml_ceil(OutputBpp * + dml_ceil(HActive / DSCSlices, 1) / 8.0, 1) / 3.0, 1); + HCBlank = 64 + 32 * + dml_ceil(AudioRate * (AudioLayout == 1 ? 1 : 0.25) * HTotal / (PixelClock * 1000), 1); + AverageTribyteRate = PixelWordRate * (HCActive + HCBlank) / HTotal; + HActiveTribyteRate = PixelWordRate * HCActive / HActive; return dml_max4(PixelWordRate / 4.0, AverageTribyteRate / 4.0, HActiveTribyteRate / 4.0, 25.0) * 1.002; } |