diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2011-06-08 13:01:11 -0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-06-09 14:33:19 +1000 |
| commit | b20f9bef8d9ff54be266062eae365ebf4b12ca64 (patch) | |
| tree | a57a2d106d7b4a80f918224bd15e276b6ddcb02b /drivers/gpu/drm/radeon/radeon_combios.c | |
| parent | 618c75e491a5a50cd3819eaf5f853fd87df3ae42 (diff) | |
drm/radeon/kms: check modes against max pixel clock
Filter out modes that are higher than the max pixel
clock.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_combios.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_combios.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index 5b991f7c6e2a..d1b95b70af61 100644 --- a/drivers/gpu/drm/radeon/radeon_combios.c +++ b/drivers/gpu/drm/radeon/radeon_combios.c @@ -866,6 +866,11 @@ bool radeon_combios_get_clock_info(struct drm_device *dev) rdev->clock.default_sclk = sclk; rdev->clock.default_mclk = mclk; + if (RBIOS32(pll_info + 0x16)) + rdev->clock.max_pixel_clock = RBIOS32(pll_info + 0x16); + else + rdev->clock.max_pixel_clock = 35000; /* might need something asic specific */ + return true; } return false; |