diff options
Diffstat (limited to 'drivers/gpu/drm/drm_mipi_dbi.c')
| -rw-r--r-- | drivers/gpu/drm/drm_mipi_dbi.c | 39 | 
1 files changed, 20 insertions, 19 deletions
| diff --git a/drivers/gpu/drm/drm_mipi_dbi.c b/drivers/gpu/drm/drm_mipi_dbi.c index 16bff1be4b8a..558baf989f5a 100644 --- a/drivers/gpu/drm/drm_mipi_dbi.c +++ b/drivers/gpu/drm/drm_mipi_dbi.c @@ -24,7 +24,6 @@  #include <drm/drm_modes.h>  #include <drm/drm_probe_helper.h>  #include <drm/drm_rect.h> -#include <drm/drm_vblank.h>  #include <video/mipi_display.h>  #define MIPI_DBI_MAX_SPI_READ_SPEED 2000000 /* 2MHz */ @@ -238,6 +237,23 @@ int mipi_dbi_buf_copy(void *dst, struct drm_framebuffer *fb,  }  EXPORT_SYMBOL(mipi_dbi_buf_copy); +static void mipi_dbi_set_window_address(struct mipi_dbi_dev *dbidev, +					unsigned int xs, unsigned int xe, +					unsigned int ys, unsigned int ye) +{ +	struct mipi_dbi *dbi = &dbidev->dbi; + +	xs += dbidev->left_offset; +	xe += dbidev->left_offset; +	ys += dbidev->top_offset; +	ye += dbidev->top_offset; + +	mipi_dbi_command(dbi, MIPI_DCS_SET_COLUMN_ADDRESS, (xs >> 8) & 0xff, +			 xs & 0xff, (xe >> 8) & 0xff, xe & 0xff); +	mipi_dbi_command(dbi, MIPI_DCS_SET_PAGE_ADDRESS, (ys >> 8) & 0xff, +			 ys & 0xff, (ye >> 8) & 0xff, ye & 0xff); +} +  static void mipi_dbi_fb_dirty(struct drm_framebuffer *fb, struct drm_rect *rect)  {  	struct drm_gem_object *gem = drm_gem_fb_get_obj(fb, 0); @@ -271,12 +287,8 @@ static void mipi_dbi_fb_dirty(struct drm_framebuffer *fb, struct drm_rect *rect)  		tr = cma_obj->vaddr;  	} -	mipi_dbi_command(dbi, MIPI_DCS_SET_COLUMN_ADDRESS, -			 (rect->x1 >> 8) & 0xff, rect->x1 & 0xff, -			 ((rect->x2 - 1) >> 8) & 0xff, (rect->x2 - 1) & 0xff); -	mipi_dbi_command(dbi, MIPI_DCS_SET_PAGE_ADDRESS, -			 (rect->y1 >> 8) & 0xff, rect->y1 & 0xff, -			 ((rect->y2 - 1) >> 8) & 0xff, (rect->y2 - 1) & 0xff); +	mipi_dbi_set_window_address(dbidev, rect->x1, rect->x2 - 1, rect->y1, +				    rect->y2 - 1);  	ret = mipi_dbi_command_buf(dbi, MIPI_DCS_WRITE_MEMORY_START, tr,  				   width * height * 2); @@ -299,18 +311,10 @@ void mipi_dbi_pipe_update(struct drm_simple_display_pipe *pipe,  			  struct drm_plane_state *old_state)  {  	struct drm_plane_state *state = pipe->plane.state; -	struct drm_crtc *crtc = &pipe->crtc;  	struct drm_rect rect;  	if (drm_atomic_helper_damage_merged(old_state, state, &rect))  		mipi_dbi_fb_dirty(state->fb, &rect); - -	if (crtc->state->event) { -		spin_lock_irq(&crtc->dev->event_lock); -		drm_crtc_send_vblank_event(crtc, crtc->state->event); -		spin_unlock_irq(&crtc->dev->event_lock); -		crtc->state->event = NULL; -	}  }  EXPORT_SYMBOL(mipi_dbi_pipe_update); @@ -366,10 +370,7 @@ static void mipi_dbi_blank(struct mipi_dbi_dev *dbidev)  	memset(dbidev->tx_buf, 0, len); -	mipi_dbi_command(dbi, MIPI_DCS_SET_COLUMN_ADDRESS, 0, 0, -			 ((width - 1) >> 8) & 0xFF, (width - 1) & 0xFF); -	mipi_dbi_command(dbi, MIPI_DCS_SET_PAGE_ADDRESS, 0, 0, -			 ((height - 1) >> 8) & 0xFF, (height - 1) & 0xFF); +	mipi_dbi_set_window_address(dbidev, 0, width - 1, 0, height - 1);  	mipi_dbi_command_buf(dbi, MIPI_DCS_WRITE_MEMORY_START,  			     (u8 *)dbidev->tx_buf, len); |