[PATCH] drm/radeon/kms: set a default max_pixel_clock

Alex Deucher alexdeucher at gmail.com
Tue Aug 30 12:39:20 PDT 2011


On Tue, Aug 30, 2011 at 3:23 PM, Dave Airlie <airlied at gmail.com> wrote:
> From: Dave Airlie <airlied at redhat.com>
>
> On some Power rv100 cards, we have no ATY OF table, but we have
> no combios table either, and hence we refuse all modes on VGA-0
> since we end up with a 0 max pixel clock.
>
> Signed-off-by: Dave Airlie <airlied at redhat.com>

Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

> ---
>  drivers/gpu/drm/radeon/radeon_clocks.c |    3 +++
>  1 files changed, 3 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/gpu/drm/radeon/radeon_clocks.c b/drivers/gpu/drm/radeon/radeon_clocks.c
> index dcd0863e..b6e18c8 100644
> --- a/drivers/gpu/drm/radeon/radeon_clocks.c
> +++ b/drivers/gpu/drm/radeon/radeon_clocks.c
> @@ -219,6 +219,9 @@ void radeon_get_clock_info(struct drm_device *dev)
>                } else {
>                        DRM_INFO("Using generic clock info\n");
>
> +                       /* may need to be per card */
> +                       rdev->clock.max_pixel_clock = 35000;
> +
>                        if (rdev->flags & RADEON_IS_IGP) {
>                                p1pll->reference_freq = 1432;
>                                p2pll->reference_freq = 1432;
> --
> 1.7.6
>
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