Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 49a58f26 authored by Liviu Dudau's avatar Liviu Dudau
Browse files

drm/arm: hdlcd: Use CMA helper for plane buffer address calculation 



CMA has gained a recent helper function for calculating the start
of the plane buffer's physical address. Use that instead of the
hand rolled version.

Signed-off-by: default avatarLiviu Dudau <liviu.dudau@arm.com>
parent de5cc815

drivers/gpu/drm/arm/hdlcd_crtc.c

+1 −8
Original line number Diff line number Diff line
@@ -261,21 +261,14 @@ static void hdlcd_plane_atomic_update(struct drm_plane *plane, 
{

	struct drm_framebuffer *fb = plane->state->fb;

	struct hdlcd_drm_private *hdlcd;

	struct drm_gem_cma_object *gem;

	u32 src_x, src_y, dest_h;

	dma_addr_t scanout_start;



	if (!fb)

		return;



	src_x = plane->state->src.x1 >> 16;

	src_y = plane->state->src.y1 >> 16;

	dest_h = drm_rect_height(&plane->state->dst);

	gem = drm_fb_cma_get_gem_obj(fb, 0);



	scanout_start = gem->paddr + fb->offsets[0] +

			src_y * fb->pitches[0] +

			src_x *	fb->format->cpp[0];

	scanout_start = drm_fb_cma_get_gem_addr(fb, plane->state, 0);



	hdlcd = plane->dev->dev_private;

	hdlcd_write(hdlcd, HDLCD_REG_FB_LINE_LENGTH, fb->pitches[0]);