drm: mali-dp: Store internal format and n_planes in plane state

Save a search through the format lists at commit-time by storing the
internal format ID and number of planes in our plane state.

Signed-off-by: Brian Starkey <brian.starkey@arm.com>
Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>

diff --git a/drivers/gpu/drm/arm/malidp_drv.h b/drivers/gpu/drm/arm/malidp_drv.h
index 271d2fb..9fc8a2e 100644 (file)
--- a/drivers/gpu/drm/arm/malidp_drv.h
+++ b/drivers/gpu/drm/arm/malidp_drv.h
@@ -39,6 +39,9 @@ struct malidp_plane_state {
 
        /* size of the required rotation memory if plane is rotated */
        u32 rotmem_size;
+       /* internal format ID */
+       u8 format;
+       u8 n_planes;
 };
 
 #define to_malidp_plane(x) container_of(x, struct malidp_plane, base)

diff --git a/drivers/gpu/drm/arm/malidp_planes.c b/drivers/gpu/drm/arm/malidp_planes.c
index ce328a5..bb1c528 100644 (file)
--- a/drivers/gpu/drm/arm/malidp_planes.c
+++ b/drivers/gpu/drm/arm/malidp_planes.c
@@ -70,6 +70,8 @@ struct drm_plane_state *malidp_duplicate_plane_state(struct drm_plane *plane)
                m_state = to_malidp_plane_state(plane->state);
                __drm_atomic_helper_plane_duplicate_state(plane, &state->base);
                state->rotmem_size = m_state->rotmem_size;
+               state->format = m_state->format;
+               state->n_planes = m_state->n_planes;
        }
 
        return &state->base;
@@ -99,8 +101,7 @@ static int malidp_de_plane_check(struct drm_plane *plane,
        struct malidp_plane *mp = to_malidp_plane(plane);
        struct malidp_plane_state *ms = to_malidp_plane_state(state);
        struct drm_framebuffer *fb;
-       int n_planes, i;
-       u8 format_id;
+       int i;
        u32 src_w, src_h;
 
        if (!state->crtc || !state->fb)
@@ -108,13 +109,13 @@ static int malidp_de_plane_check(struct drm_plane *plane,
 
        fb = state->fb;
 
-       format_id = malidp_hw_get_format_id(&mp->hwdev->map, mp->layer->id,
+       ms->format = malidp_hw_get_format_id(&mp->hwdev->map, mp->layer->id,
                                            fb->pixel_format);
-       if (format_id == MALIDP_INVALID_FORMAT_ID)
+       if (ms->format == MALIDP_INVALID_FORMAT_ID)
                return -EINVAL;
 
-       n_planes = drm_format_num_planes(fb->pixel_format);
-       for (i = 0; i < n_planes; i++) {
+       ms->n_planes = drm_format_num_planes(fb->pixel_format);
+       for (i = 0; i < ms->n_planes; i++) {
                if (!malidp_hw_pitch_valid(mp->hwdev, fb->pitches[i])) {
                        DRM_DEBUG_KMS("Invalid pitch %u for plane %d\n",
                                      fb->pitches[i], i);
@@ -160,17 +161,13 @@ static void malidp_de_plane_update(struct drm_plane *plane,
        struct drm_gem_cma_object *obj;
        struct malidp_plane *mp;
        const struct malidp_hw_regmap *map;
-       u8 format_id;
+       struct malidp_plane_state *ms = to_malidp_plane_state(plane->state);
        u16 ptr;
-       u32 format, src_w, src_h, dest_w, dest_h, val;
-       int num_planes, i;
+       u32 src_w, src_h, dest_w, dest_h, val;
+       int i;
 
        mp = to_malidp_plane(plane);
-
        map = &mp->hwdev->map;
-       format = plane->state->fb->pixel_format;
-       format_id = malidp_hw_get_format_id(map, mp->layer->id, format);
-       num_planes = drm_format_num_planes(format);
 
        /* convert src values from Q16 fixed point to integer */
        src_w = plane->state->src_w >> 16;
@@ -183,9 +180,9 @@ static void malidp_de_plane_update(struct drm_plane *plane,
                dest_h = plane->state->crtc_h;
        }
 
-       malidp_hw_write(mp->hwdev, format_id, mp->layer->base);
+       malidp_hw_write(mp->hwdev, ms->format, mp->layer->base);
 
-       for (i = 0; i < num_planes; i++) {
+       for (i = 0; i < ms->n_planes; i++) {
                /* calculate the offset for the layer's plane registers */
                ptr = mp->layer->ptr + (i << 4);