On Thu, May 09, 2019 at 03:21:55PM +0300, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Reorganize some fb stride checking code a bit to prepare for
> gtt remapping. And do a bit of s/pitch/stride/ renaming in the
> process for a bit more uniformity (apart from the whole
> fb->pitches[] thing).
>
> Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_display.c | 64 ++++++++++++++--------------
> 1 file changed, 32 insertions(+), 32 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index f4e6e9a8bbf9..321cb6d2bc76 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -2509,6 +2509,33 @@ bool is_ccs_modifier(u64 modifier)
> modifier == I915_FORMAT_MOD_Yf_TILED_CCS;
> }
>
> +static
> +u32 intel_fb_max_stride(struct drm_i915_private *dev_priv,
> + u32 pixel_format, u64 modifier)
> +{
> + struct intel_crtc *crtc;
> + struct intel_plane *plane;
> +
> + /*
> + * We assume the primary plane for pipe A has
> + * the highest stride limits of them all.
> + */
> + crtc = intel_get_crtc_for_pipe(dev_priv, PIPE_A);
> + plane = to_intel_plane(crtc->base.primary);
> +
> + return plane->max_stride(plane, pixel_format, modifier,
> + DRM_MODE_ROTATE_0);
> +}
> +
> +static u32
> +intel_fb_stride_alignment(const struct drm_framebuffer *fb, int color_plane)
> +{
> + if (fb->modifier == DRM_FORMAT_MOD_LINEAR)
> + return 64;
> + else
> + return intel_tile_width_bytes(fb, color_plane);
> +}
> +
> static int
> intel_fill_fb_info(struct drm_i915_private *dev_priv,
> struct drm_framebuffer *fb)
> @@ -3586,15 +3613,6 @@ static bool i9xx_plane_get_hw_state(struct intel_plane *plane,
> return ret;
> }
>
> -static u32
> -intel_fb_stride_alignment(const struct drm_framebuffer *fb, int color_plane)
> -{
> - if (fb->modifier == DRM_FORMAT_MOD_LINEAR)
> - return 64;
> - else
> - return intel_tile_width_bytes(fb, color_plane);
> -}
> -
> static void skl_detach_scaler(struct intel_crtc *intel_crtc, int id)
> {
> struct drm_device *dev = intel_crtc->base.dev;
> @@ -14921,31 +14939,13 @@ static const struct drm_framebuffer_funcs intel_fb_funcs = {
> .dirty = intel_user_framebuffer_dirty,
> };
>
> -static
> -u32 intel_fb_pitch_limit(struct drm_i915_private *dev_priv,
> - u32 pixel_format, u64 fb_modifier)
> -{
> - struct intel_crtc *crtc;
> - struct intel_plane *plane;
> -
> - /*
> - * We assume the primary plane for pipe A has
> - * the highest stride limits of them all.
> - */
> - crtc = intel_get_crtc_for_pipe(dev_priv, PIPE_A);
> - plane = to_intel_plane(crtc->base.primary);
> -
> - return plane->max_stride(plane, pixel_format, fb_modifier,
> - DRM_MODE_ROTATE_0);
> -}
> -
> static int intel_framebuffer_init(struct intel_framebuffer *intel_fb,
> struct drm_i915_gem_object *obj,
> struct drm_mode_fb_cmd2 *mode_cmd)
> {
> struct drm_i915_private *dev_priv = to_i915(obj->base.dev);
> struct drm_framebuffer *fb = &intel_fb->base;
> - u32 pitch_limit;
> + u32 max_stride;
> unsigned int tiling, stride;
> int ret = -EINVAL;
> int i;
> @@ -14997,13 +14997,13 @@ static int intel_framebuffer_init(struct intel_framebuffer *intel_fb,
> goto err;
> }
>
> - pitch_limit = intel_fb_pitch_limit(dev_priv, mode_cmd->pixel_format,
> - mode_cmd->modifier[0]);
> - if (mode_cmd->pitches[0] > pitch_limit) {
> + max_stride = intel_fb_max_stride(dev_priv, mode_cmd->pixel_format,
> + mode_cmd->modifier[0]);
> + if (mode_cmd->pitches[0] > max_stride) {
> DRM_DEBUG_KMS("%s pitch (%u) must be at most %d\n",
> mode_cmd->modifier[0] != DRM_FORMAT_MOD_LINEAR ?
> "tiled" : "linear",
> - mode_cmd->pitches[0], pitch_limit);
> + mode_cmd->pitches[0], max_stride);
> goto err;
> }
>
> --
> 2.21.0
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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