[PATCH 1/9] drm/msm/dpu: drop dpu_format_check_modified_format

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The msm_kms_funcs::check_modified_format() callback is not used by the
driver. Drop it completely.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_formats.c | 45 -----------------------------
 drivers/gpu/drm/msm/disp/dpu1/dpu_formats.h | 15 ----------
 drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c     |  1 -
 drivers/gpu/drm/msm/msm_kms.h               |  5 ----
 4 files changed, 66 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_formats.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_formats.c
index e366ab134249..ff0df478c958 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_formats.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_formats.c
@@ -960,51 +960,6 @@ int dpu_format_populate_layout(
 	return ret;
 }
 
-int dpu_format_check_modified_format(
-		const struct msm_kms *kms,
-		const struct msm_format *msm_fmt,
-		const struct drm_mode_fb_cmd2 *cmd,
-		struct drm_gem_object **bos)
-{
-	const struct drm_format_info *info;
-	const struct dpu_format *fmt;
-	struct dpu_hw_fmt_layout layout;
-	uint32_t bos_total_size = 0;
-	int ret, i;
-
-	if (!msm_fmt || !cmd || !bos) {
-		DRM_ERROR("invalid arguments\n");
-		return -EINVAL;
-	}
-
-	fmt = to_dpu_format(msm_fmt);
-	info = drm_format_info(fmt->base.pixel_format);
-	if (!info)
-		return -EINVAL;
-
-	ret = dpu_format_get_plane_sizes(fmt, cmd->width, cmd->height,
-			&layout, cmd->pitches);
-	if (ret)
-		return ret;
-
-	for (i = 0; i < info->num_planes; i++) {
-		if (!bos[i]) {
-			DRM_ERROR("invalid handle for plane %d\n", i);
-			return -EINVAL;
-		}
-		if ((i == 0) || (bos[i] != bos[0]))
-			bos_total_size += bos[i]->size;
-	}
-
-	if (bos_total_size < layout.total_size) {
-		DRM_ERROR("buffers total size too small %u expected %u\n",
-				bos_total_size, layout.total_size);
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
 const struct dpu_format *dpu_get_dpu_format_ext(
 		const uint32_t format,
 		const uint64_t modifier)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_formats.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_formats.h
index 84b8b3289f18..9442445f1a86 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_formats.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_formats.h
@@ -54,21 +54,6 @@ const struct msm_format *dpu_get_msm_format(
 		const uint32_t format,
 		const uint64_t modifiers);
 
-/**
- * dpu_format_check_modified_format - validate format and buffers for
- *                   dpu non-standard, i.e. modified format
- * @kms:             kms driver
- * @msm_fmt:         pointer to the msm_fmt base pointer of an dpu_format
- * @cmd:             fb_cmd2 structure user request
- * @bos:             gem buffer object list
- *
- * Return: error code on failure, 0 on success
- */
-int dpu_format_check_modified_format(
-		const struct msm_kms *kms,
-		const struct msm_format *msm_fmt,
-		const struct drm_mode_fb_cmd2 *cmd,
-		struct drm_gem_object **bos);
 
 /**
  * dpu_format_populate_layout - populate the given format layout based on
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index a1f5d7c4ab91..7257ac4020d8 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -969,7 +969,6 @@ static const struct msm_kms_funcs kms_funcs = {
 	.complete_commit = dpu_kms_complete_commit,
 	.enable_vblank   = dpu_kms_enable_vblank,
 	.disable_vblank  = dpu_kms_disable_vblank,
-	.check_modified_format = dpu_format_check_modified_format,
 	.get_format      = dpu_get_msm_format,
 	.destroy         = dpu_kms_destroy,
 	.snapshot        = dpu_kms_mdp_snapshot,
diff --git a/drivers/gpu/drm/msm/msm_kms.h b/drivers/gpu/drm/msm/msm_kms.h
index 0641f6111b93..b794ed918b56 100644
--- a/drivers/gpu/drm/msm/msm_kms.h
+++ b/drivers/gpu/drm/msm/msm_kms.h
@@ -96,11 +96,6 @@ struct msm_kms_funcs {
 	const struct msm_format *(*get_format)(struct msm_kms *kms,
 					const uint32_t format,
 					const uint64_t modifiers);
-	/* do format checking on format modified through fb_cmd2 modifiers */
-	int (*check_modified_format)(const struct msm_kms *kms,
-			const struct msm_format *msm_fmt,
-			const struct drm_mode_fb_cmd2 *cmd,
-			struct drm_gem_object **bos);
 
 	/* misc: */
 	long (*round_pixclk)(struct msm_kms *kms, unsigned long rate,

-- 
2.39.2




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