Add a variant of the function which doesn't need neither struct drm_framebuffer nor container_of it. Maintain current interface for existing users.
Signed-off-by: Andrzej Pietrasiewicz andrzej.p@collabora.com --- .../arm/display/komeda/komeda_framebuffer.c | 68 +++++++++++++++---- .../arm/display/komeda/komeda_framebuffer.h | 7 ++ 2 files changed, 61 insertions(+), 14 deletions(-)
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c index 5d035f6a76a6..08f31478c6a8 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c @@ -123,7 +123,12 @@ komeda_fb_none_afbc_size_check(struct komeda_dev *mdev, return -EINVAL; }
- min_size = komeda_fb_get_pixel_addr(kfb, 0, fb->height, i) + min_size = komeda_fb_get_pixel_addr_nofb(info, + mode_cmd->modifier[0], + mode_cmd->pitches, + mode_cmd->offsets, + obj, + 0, mode_cmd->height, i) - to_drm_gem_cma_obj(obj)->paddr; if (obj->size < min_size) { DRM_DEBUG_KMS("The fb->obj[%d] size: 0x%zx lower than the minimum requirement: 0x%llx.\n", @@ -237,12 +242,56 @@ int komeda_fb_check_src_coords(const struct komeda_fb *kfb, return 0; }
+dma_addr_t +komeda_fb_get_pixel_addr_impl(const struct drm_format_info *format, + u64 modifier, + const unsigned int *pitches, + const unsigned int *offsets, + const struct drm_gem_cma_object *obj, + int x, int y, int plane) +{ + u32 offset, plane_x, plane_y, block_w, block_sz; + + offset = offsets[plane]; + if (modifier) { + block_w = drm_format_info_block_width(format, plane); + block_sz = format->char_per_block[plane]; + plane_x = x / (plane ? format->hsub : 1); + plane_y = y / (plane ? format->vsub : 1); + + offset += (plane_x / block_w) * block_sz + + plane_y * pitches[plane]; + } + + return obj->paddr + offset; +} + +dma_addr_t +komeda_fb_get_pixel_addr_nofb(const struct drm_format_info *format, + u64 modifier, + const unsigned int *pitches, + const unsigned int *offsets, + struct drm_gem_object *obj, + int x, int y, int plane) +{ + const struct drm_gem_cma_object *cma_obj; + + if (plane >= format->num_planes) { + DRM_DEBUG_KMS("Out of max plane num.\n"); + return -EINVAL; + } + + cma_obj = to_drm_gem_cma_obj(obj); + + return komeda_fb_get_pixel_addr_impl(format, modifier, pitches, offsets, + cma_obj, x, y, plane); +} + dma_addr_t komeda_fb_get_pixel_addr(struct komeda_fb *kfb, int x, int y, int plane) { struct drm_framebuffer *fb = &kfb->base; const struct drm_gem_cma_object *obj; - u32 offset, plane_x, plane_y, block_w, block_sz;
if (plane >= fb->format->num_planes) { DRM_DEBUG_KMS("Out of max plane num.\n"); @@ -251,18 +300,9 @@ komeda_fb_get_pixel_addr(struct komeda_fb *kfb, int x, int y, int plane)
obj = drm_fb_cma_get_gem_obj(fb, plane);
- offset = fb->offsets[plane]; - if (!fb->modifier) { - block_w = drm_format_info_block_width(fb->format, plane); - block_sz = fb->format->char_per_block[plane]; - plane_x = x / (plane ? fb->format->hsub : 1); - plane_y = y / (plane ? fb->format->vsub : 1); - - offset += (plane_x / block_w) * block_sz - + plane_y * fb->pitches[plane]; - } - - return obj->paddr + offset; + return komeda_fb_get_pixel_addr_impl(fb->format, fb->modifier, + fb->pitches, fb->offsets, + obj, x, y, plane); }
/* if the fb can be supported by a specific layer */ diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.h b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.h index c61ca98a3a63..2f1f421d3e7f 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.h +++ b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.h @@ -42,6 +42,13 @@ int komeda_fb_check_src_coords(const struct komeda_fb *kfb, u32 src_x, u32 src_y, u32 src_w, u32 src_h); dma_addr_t komeda_fb_get_pixel_addr(struct komeda_fb *kfb, int x, int y, int plane); +dma_addr_t +komeda_fb_get_pixel_addr_nofb(const struct drm_format_info *format, + u64 modifier, + const unsigned int *pitches, + const unsigned int *offsets, + struct drm_gem_object *obj, + int x, int y, int plane); bool komeda_fb_is_layer_supported(struct komeda_fb *kfb, u32 layer_type, u32 rot);