drm/msm: Add modifier to mdp_get_format arguments

This change plumbs the new fb modifier through the various mdp/disp
get_format hooks.

Signed-off-by: Jeykumar Sankaran <jsanka@codeaurora.org>
[seanpaul pimped out commit message a bit]
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>

drivers/gpu/drm/msm/disp/mdp_format.c

@@ -171,7 +171,8 @@ uint32_t mdp_get_formats(uint32_t *pixel_formats, uint32_t max_formats,
 	return i;
 }
 
-const struct msm_format *mdp_get_format(struct msm_kms *kms, uint32_t format)
+const struct msm_format *mdp_get_format(struct msm_kms *kms, uint32_t format,
+		uint64_t modifier)
 {
 	int i;
 	for (i = 0; i < ARRAY_SIZE(formats); i++) {

drivers/gpu/drm/msm/disp/mdp_kms.h

@@ -98,7 +98,7 @@ struct mdp_format {
 #define MDP_FORMAT_IS_YUV(mdp_format) ((mdp_format)->is_yuv)
 
 uint32_t mdp_get_formats(uint32_t *formats, uint32_t max_formats, bool rgb_only);
-const struct msm_format *mdp_get_format(struct msm_kms *kms, uint32_t format);
+const struct msm_format *mdp_get_format(struct msm_kms *kms, uint32_t format, uint64_t modifier);
 
 /* MDP capabilities */
 #define MDP_CAP_SMP		BIT(0)	/* Shared Memory Pool                 */

drivers/gpu/drm/msm/msm_fb.c

@@ -183,7 +183,8 @@ static struct drm_framebuffer *msm_framebuffer_init(struct drm_device *dev,
 	hsub = drm_format_horz_chroma_subsampling(mode_cmd->pixel_format);
 	vsub = drm_format_vert_chroma_subsampling(mode_cmd->pixel_format);
 
-	format = kms->funcs->get_format(kms, mode_cmd->pixel_format);
+	format = kms->funcs->get_format(kms, mode_cmd->pixel_format,
+			mode_cmd->modifier[0]);
 	if (!format) {
 		dev_err(dev->dev, "unsupported pixel format: %4.4s\n",
 				(char *)&mode_cmd->pixel_format);

drivers/gpu/drm/msm/msm_kms.h

@@ -48,8 +48,11 @@ struct msm_kms_funcs {
 	/* functions to wait for atomic commit completed on each CRTC */
 	void (*wait_for_crtc_commit_done)(struct msm_kms *kms,
 					struct drm_crtc *crtc);
+	/* get msm_format w/ optional format modifiers from drm_mode_fb_cmd2 */
+	const struct msm_format *(*get_format)(struct msm_kms *kms,
+					const uint32_t format,
+					const uint64_t modifiers);
 	/* misc: */
-	const struct msm_format *(*get_format)(struct msm_kms *kms, uint32_t format);
 	long (*round_pixclk)(struct msm_kms *kms, unsigned long rate,
 			struct drm_encoder *encoder);
 	int (*set_split_display)(struct msm_kms *kms,