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| author | Mathias Fröhlich <Mathias.Froehlich@web.de> | 2009-10-19 17:49:49 -0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2009-10-26 13:28:20 +1000 |
| commit | bc293e58cb4095f2ad43fe672ae269e31d1a18e2 (patch) | |
| tree | 910e8cfc41ce81f11113bf8e86b79611201babf2 /drivers/gpu/drm | |
| parent | 790cfb34ad645be3bf69265cb05d824aeabcfa11 (diff) | |
| download | linux-bc293e58cb4095f2ad43fe672ae269e31d1a18e2.tar.gz linux-bc293e58cb4095f2ad43fe672ae269e31d1a18e2.tar.bz2 linux-bc293e58cb4095f2ad43fe672ae269e31d1a18e2.zip | |
drm/radeon/kms/atom: get better min pixel clock info
Where supported use ulMinPixelClockPLL_Output rather than
usMinPixelClockPLL_Output for pll_out_min. This seems to
improve pll selection on some boards.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_atombios.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index 79d4b771c770..cec67917179f 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -641,8 +641,12 @@ bool radeon_atom_get_clock_info(struct drm_device *dev) le16_to_cpu(firmware_info->info.usReferenceClock); p1pll->reference_div = 0; - p1pll->pll_out_min = - le16_to_cpu(firmware_info->info.usMinPixelClockPLL_Output); + if (crev < 2) + p1pll->pll_out_min = + le16_to_cpu(firmware_info->info.usMinPixelClockPLL_Output); + else + p1pll->pll_out_min = + le32_to_cpu(firmware_info->info_12.ulMinPixelClockPLL_Output); p1pll->pll_out_max = le32_to_cpu(firmware_info->info.ulMaxPixelClockPLL_Output); |