On Thu, Jan 23, 2020 at 06:56:57PM +0530, Anshuman Gupta wrote:
> intel_plane_fb_max_stride should return the max stride of
> primary plane for first available pipe in intel device info
> pipe_mask.
>
> Cc: Ville Syrjälä <[email protected]>
> Signed-off-by: Anshuman Gupta <[email protected]>
> ---
> drivers/gpu/drm/i915/display/intel_display.c | 7 +++++--
> 1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c
> b/drivers/gpu/drm/i915/display/intel_display.c
> index b250b31f6000..b9209b7e71d7 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -2703,12 +2703,15 @@ u32 intel_plane_fb_max_stride(struct drm_i915_private
> *dev_priv,
> {
> struct intel_crtc *crtc;
> struct intel_plane *plane;
> + enum pipe pipe;
>
> /*
> * We assume the primary plane for pipe A has
> - * the highest stride limits of them all.
> + * the highest stride limits of them all,
> + * if in case pipe A is disabled, use the first pipe from pipe_mask.
> */
> - crtc = intel_get_crtc_for_pipe(dev_priv, PIPE_A);
> + pipe = ffs(INTEL_INFO(dev_priv)->pipe_mask) - 1;
> + crtc = intel_get_crtc_for_pipe(dev_priv, pipe);
I'd probably just add a small helper for this. Eg.:
intel_get_first_crtc()
{
return to_intel_crtc(drm_crtc_from_index(0))
}
> if (!crtc)
> return 0;
>
> --
> 2.24.0
--
Ville Syrjälä
Intel
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