Re: [PATCH v4 09/12] drm/exynos: remove exported functions from exynos_drm_plane

Gustavo Padovan wrote:

From: Gustavo Padovan gustavo.padovan@collabora.co.uk

Now that no one is using the functions exported by exynos_drm_plane due to the atomic conversion we can make remove some of the them or make them static.

v2: remove unused exynos_drm_crtc

Signed-off-by: Gustavo Padovan gustavo.padovan@collabora.co.uk

drivers/gpu/drm/exynos/exynos_drm_plane.c | 90 +++++++++++++------------------ drivers/gpu/drm/exynos/exynos_drm_plane.h | 11 ---- 2 files changed, 37 insertions(+), 64 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c index 7d42e09..8bad40e 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_plane.c +++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c @@ -62,35 +62,12 @@ static int exynos_plane_get_size(int start, unsigned length, unsigned last) return size; }

-int exynos_check_plane(struct drm_plane *plane, struct drm_framebuffer *fb) -{

• struct exynos_drm_plane *exynos_plane = to_exynos_plane(plane);
• int nr;
• int i;
• nr = exynos_drm_fb_get_buf_cnt(fb);
• for (i = 0; i < nr; i++) {

• struct exynos_drm_gem_buf *buffer = exynos_drm_fb_buffer(fb, i);
  

• if (!buffer) {
  

• 	DRM_DEBUG_KMS("buffer is null\n");
  

• 	return -EFAULT;
  

• }
  

• exynos_plane->dma_addr[i] = buffer->dma_addr;
  

• DRM_DEBUG_KMS("buffer: %d, dma_addr = 0x%lx\n",
  

• 		i, (unsigned long)exynos_plane->dma_addr[i]);
  

• }
• return 0;

-}

-void exynos_plane_mode_set(struct drm_plane *plane, struct drm_crtc *crtc,

• 	  struct drm_framebuffer *fb, int crtc_x, int crtc_y,
  

• 	  unsigned int crtc_w, unsigned int crtc_h,
  

• 	  uint32_t src_x, uint32_t src_y,
  

• 	  uint32_t src_w, uint32_t src_h)
  

+static void exynos_plane_mode_set(struct drm_plane *plane, struct drm_crtc *crtc,

• 		  struct drm_framebuffer *fb,
  

• 		  int crtc_x, int crtc_y,
  

• 		  unsigned int crtc_w, unsigned int crtc_h,
  

• 		  uint32_t src_x, uint32_t src_y,
  

• 		  uint32_t src_w, uint32_t src_h)
  

{ struct exynos_drm_plane *exynos_plane = to_exynos_plane(plane); unsigned int actual_w; @@ -145,24 +122,6 @@ void exynos_plane_mode_set(struct drm_plane *plane, struct drm_crtc *crtc, plane->crtc = crtc; }

-void -exynos_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,

•      struct drm_framebuffer *fb, int crtc_x, int crtc_y,
  

•      unsigned int crtc_w, unsigned int crtc_h,
  

•      uint32_t src_x, uint32_t src_y,
  

•      uint32_t src_w, uint32_t src_h)
  

-{

• struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
• struct exynos_drm_plane *exynos_plane = to_exynos_plane(plane);
• exynos_plane_mode_set(plane, crtc, fb, crtc_x, crtc_y,

• 	      crtc_w, crtc_h, src_x >> 16, src_y >> 16,
  

• 	      src_w >> 16, src_h >> 16);
  

• if (exynos_crtc->ops->win_commit)

• exynos_crtc->ops->win_commit(exynos_crtc, exynos_plane->zpos);
  

-}

static struct drm_plane_funcs exynos_plane_funcs = { .update_plane = drm_atomic_helper_update_plane, .disable_plane = drm_atomic_helper_disable_plane, @@ -175,19 +134,44 @@ static struct drm_plane_funcs exynos_plane_funcs = { static int exynos_plane_atomic_check(struct drm_plane *plane, struct drm_plane_state *state) {

• return exynos_check_plane(plane, state->fb);

• struct exynos_drm_plane *exynos_plane = to_exynos_plane(plane);
• int nr;
• int i;
• nr = exynos_drm_fb_get_buf_cnt(state->fb);
• for (i = 0; i < nr; i++) {

• struct exynos_drm_gem_buf *buffer =
  

• 			exynos_drm_fb_buffer(state->fb, i);
  

• if (!buffer) {
  

• 	DRM_DEBUG_KMS("buffer is null\n");
  

• 	return -EFAULT;
  

• }
  

• exynos_plane->dma_addr[i] = buffer->dma_addr;
  

This clashes with this commit: https://git.kernel.org/cgit/linux/kernel/git/daeinki/drm-exynos.git/commit/?...

• DRM_DEBUG_KMS("buffer: %d, dma_addr = 0x%lx\n",
  

• 		i, (unsigned long)exynos_plane->dma_addr[i]);
  

• }
• return 0;

}

static void exynos_plane_atomic_update(struct drm_plane *plane, struct drm_plane_state *old_state) { struct drm_plane_state *state = plane->state;

• struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(state->crtc);
• struct exynos_drm_plane *exynos_plane = to_exynos_plane(plane);

• exynos_update_plane(plane, state->crtc, state->fb,

• 	    state->crtc_x, state->crtc_y,
  

• 	    state->crtc_w, state->crtc_h,
  

• 	    state->src_x >> 16, state->src_y >> 16,
  

• 	    state->src_w >> 16, state->src_h >> 16);
  

• exynos_plane_mode_set(plane, state->crtc, state->fb,

• 	      state->crtc_x, state->crtc_y,
  

• 	      state->crtc_w, state->crtc_h,
  

• 	      state->src_x >> 16, state->src_y >> 16,
  

• 	      state->src_w >> 16, state->src_h >> 16);
  

• if (exynos_crtc->ops->win_commit)

• exynos_crtc->ops->win_commit(exynos_crtc, exynos_plane->zpos);
  

}

static void exynos_plane_atomic_disable(struct drm_plane *plane, diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.h b/drivers/gpu/drm/exynos/exynos_drm_plane.h index 560ca71..8c88ae9 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_plane.h +++ b/drivers/gpu/drm/exynos/exynos_drm_plane.h @@ -9,17 +9,6 @@

*/

-int exynos_check_plane(struct drm_plane *plane, struct drm_framebuffer *fb); -void exynos_plane_mode_set(struct drm_plane *plane, struct drm_crtc *crtc,

• 	   struct drm_framebuffer *fb, int crtc_x, int crtc_y,
  

• 	   unsigned int crtc_w, unsigned int crtc_h,
  

• 	   uint32_t src_x, uint32_t src_y,
  

• 	   uint32_t src_w, uint32_t src_h);
  

-void exynos_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,

• 	struct drm_framebuffer *fb, int crtc_x, int crtc_y,
  

• 	unsigned int crtc_w, unsigned int crtc_h,
  

• 	uint32_t src_x, uint32_t src_y,
  

• 	uint32_t src_w, uint32_t src_h);
  

int exynos_plane_init(struct drm_device *dev, struct exynos_drm_plane *exynos_plane, unsigned long possible_crtcs, enum drm_plane_type type,