diff options
Diffstat (limited to 'drivers/gpu/drm/solomon/ssd130x.c')
| -rw-r--r-- | drivers/gpu/drm/solomon/ssd130x.c | 40 |
1 files changed, 33 insertions, 7 deletions
diff --git a/drivers/gpu/drm/solomon/ssd130x.c b/drivers/gpu/drm/solomon/ssd130x.c index e0174f82e..3d0e093a7 100644 --- a/drivers/gpu/drm/solomon/ssd130x.c +++ b/drivers/gpu/drm/solomon/ssd130x.c @@ -319,7 +319,7 @@ static int ssd130x_pwm_enable(struct ssd130x_device *ssd130x) pwm_init_state(ssd130x->pwm, &pwmstate); pwm_set_relative_duty_cycle(&pwmstate, 50, 100); - pwm_apply_state(ssd130x->pwm, &pwmstate); + pwm_apply_might_sleep(ssd130x->pwm, &pwmstate); /* Enable the PWM */ pwm_enable(ssd130x->pwm); @@ -808,7 +808,8 @@ static void ssd132x_clear_screen(struct ssd130x_device *ssd130x, u8 *data_array) static int ssd130x_fb_blit_rect(struct drm_framebuffer *fb, const struct iosys_map *vmap, struct drm_rect *rect, - u8 *buf, u8 *data_array) + u8 *buf, u8 *data_array, + struct drm_format_conv_state *fmtcnv_state) { struct ssd130x_device *ssd130x = drm_to_ssd130x(fb->dev); struct iosys_map dst; @@ -826,7 +827,7 @@ static int ssd130x_fb_blit_rect(struct drm_framebuffer *fb, return ret; iosys_map_set_vaddr(&dst, buf); - drm_fb_xrgb8888_to_mono(&dst, &dst_pitch, vmap, fb, rect); + drm_fb_xrgb8888_to_mono(&dst, &dst_pitch, vmap, fb, rect, fmtcnv_state); drm_gem_fb_end_cpu_access(fb, DMA_FROM_DEVICE); @@ -838,7 +839,8 @@ static int ssd130x_fb_blit_rect(struct drm_framebuffer *fb, static int ssd132x_fb_blit_rect(struct drm_framebuffer *fb, const struct iosys_map *vmap, struct drm_rect *rect, u8 *buf, - u8 *data_array) + u8 *data_array, + struct drm_format_conv_state *fmtcnv_state) { struct ssd130x_device *ssd130x = drm_to_ssd130x(fb->dev); unsigned int dst_pitch = drm_rect_width(rect); @@ -855,7 +857,7 @@ static int ssd132x_fb_blit_rect(struct drm_framebuffer *fb, return ret; iosys_map_set_vaddr(&dst, buf); - drm_fb_xrgb8888_to_gray8(&dst, &dst_pitch, vmap, fb, rect); + drm_fb_xrgb8888_to_gray8(&dst, &dst_pitch, vmap, fb, rect, fmtcnv_state); drm_gem_fb_end_cpu_access(fb, DMA_FROM_DEVICE); @@ -871,6 +873,7 @@ static int ssd130x_primary_plane_atomic_check(struct drm_plane *plane, struct ssd130x_device *ssd130x = drm_to_ssd130x(drm); struct drm_plane_state *plane_state = drm_atomic_get_new_plane_state(state, plane); struct ssd130x_plane_state *ssd130x_state = to_ssd130x_plane_state(plane_state); + struct drm_shadow_plane_state *shadow_plane_state = &ssd130x_state->base; struct drm_crtc *crtc = plane_state->crtc; struct drm_crtc_state *crtc_state = NULL; const struct drm_format_info *fi; @@ -895,6 +898,16 @@ static int ssd130x_primary_plane_atomic_check(struct drm_plane *plane, pitch = drm_format_info_min_pitch(fi, 0, ssd130x->width); + if (plane_state->fb->format != fi) { + void *buf; + + /* format conversion necessary; reserve buffer */ + buf = drm_format_conv_state_reserve(&shadow_plane_state->fmtcnv_state, + pitch, GFP_KERNEL); + if (!buf) + return -ENOMEM; + } + ssd130x_state->buffer = kcalloc(pitch, ssd130x->height, GFP_KERNEL); if (!ssd130x_state->buffer) return -ENOMEM; @@ -909,6 +922,7 @@ static int ssd132x_primary_plane_atomic_check(struct drm_plane *plane, struct ssd130x_device *ssd130x = drm_to_ssd130x(drm); struct drm_plane_state *plane_state = drm_atomic_get_new_plane_state(state, plane); struct ssd130x_plane_state *ssd130x_state = to_ssd130x_plane_state(plane_state); + struct drm_shadow_plane_state *shadow_plane_state = &ssd130x_state->base; struct drm_crtc *crtc = plane_state->crtc; struct drm_crtc_state *crtc_state = NULL; const struct drm_format_info *fi; @@ -933,6 +947,16 @@ static int ssd132x_primary_plane_atomic_check(struct drm_plane *plane, pitch = drm_format_info_min_pitch(fi, 0, ssd130x->width); + if (plane_state->fb->format != fi) { + void *buf; + + /* format conversion necessary; reserve buffer */ + buf = drm_format_conv_state_reserve(&shadow_plane_state->fmtcnv_state, + pitch, GFP_KERNEL); + if (!buf) + return -ENOMEM; + } + ssd130x_state->buffer = kcalloc(pitch, ssd130x->height, GFP_KERNEL); if (!ssd130x_state->buffer) return -ENOMEM; @@ -968,7 +992,8 @@ static void ssd130x_primary_plane_atomic_update(struct drm_plane *plane, ssd130x_fb_blit_rect(fb, &shadow_plane_state->data[0], &dst_clip, ssd130x_plane_state->buffer, - ssd130x_crtc_state->data_array); + ssd130x_crtc_state->data_array, + &shadow_plane_state->fmtcnv_state); } drm_dev_exit(idx); @@ -1002,7 +1027,8 @@ static void ssd132x_primary_plane_atomic_update(struct drm_plane *plane, ssd132x_fb_blit_rect(fb, &shadow_plane_state->data[0], &dst_clip, ssd130x_plane_state->buffer, - ssd130x_crtc_state->data_array); + ssd130x_crtc_state->data_array, + &shadow_plane_state->fmtcnv_state); } drm_dev_exit(idx); |