Commit 70594e8b authored by Thomas Zimmermann's avatar Thomas Zimmermann
Browse files

drm/hyperv: Use offset-adjusted shadow-plane mappings 



For framebuffers with non-zero offset fields, shadow-plane helpers
provide a pointer to the first byte of the contained data. Use it in
hyperv.

Signed-off-by: default avatarThomas Zimmermann <tzimmermann@suse.de>
Acked-by: default avatarSam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210803125928.27780-5-tzimmermann@suse.de
parent 6d463aaf

drivers/gpu/drm/hyperv/hyperv_drm_modeset.c

+2 −2
Original line number Diff line number Diff line
@@ -105,7 +105,7 @@ static void hyperv_pipe_enable(struct drm_simple_display_pipe *pipe, 
				crtc_state->mode.hdisplay,

				crtc_state->mode.vdisplay,

				plane_state->fb->pitches[0]);

	hyperv_blit_to_vram_fullscreen(plane_state->fb, &shadow_plane_state->map[0]);

	hyperv_blit_to_vram_fullscreen(plane_state->fb, &shadow_plane_state->data[0]);

}



static int hyperv_pipe_check(struct drm_simple_display_pipe *pipe,
@@ -133,7 +133,7 @@ static void hyperv_pipe_update(struct drm_simple_display_pipe *pipe, 
	struct drm_rect rect;



	if (drm_atomic_helper_damage_merged(old_state, state, &rect)) {

		hyperv_blit_to_vram_rect(state->fb, &shadow_plane_state->map[0], &rect);

		hyperv_blit_to_vram_rect(state->fb, &shadow_plane_state->data[0], &rect);

		hyperv_update_dirt(hv->hdev, &rect);

	}

}