On Mon, May 31, 2021 at 07:32:17PM +0800, Sodhi, Vunny wrote:
> Adding Y_TILED modifier which is needed to support DRM_FORMAT_NV12
> during framebuffer initialization.
>
> Signed-off-by: Sodhi, Vunny <vunny.sodhi@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/display/intel_display.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index caf0414..a9b1b62 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -11610,8 +11610,10 @@ static int intel_framebuffer_init(struct intel_framebuffer *intel_fb,
> if (tiling == I915_TILING_X) {
> mode_cmd->modifier[0] = I915_FORMAT_MOD_X_TILED;
> } else if (tiling == I915_TILING_Y) {
> + mode_cmd->modifier[0] = I915_FORMAT_MOD_Y_TILED;
> + } else {
This is just the legacy bo tiling->modifier path, which is not needed by
any old userspace, and all modern userspace should just use modifiers.
> drm_dbg_kms(&dev_priv->drm,
> - "No Y tiling for legacy addfb\n");
> + "Unsupported tiling for legacy addfb\n");
> goto err;
> }
> }
> --
> 2.7.4
>
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--
Ville Syrjälä
Intel
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