Commit bd983323 authored by Daniel Vetter's avatar Daniel Vetter
Browse files

drm/bochs: Drop fake gamma support 



Only really needed for fbdev emulation at 8bpp. And bochs doesn't do
that. And either way bochs only does 32bit rgb, so this is all pretty
much wasted dead code.

The only consideration is that we need to not set up any gamma size
either.

Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Dave Airlie <airlied@redhat.com>
Reviewed-by: default avatarGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1459331485-28376-5-git-send-email-daniel.vetter@ffwll.ch
parent f35034f8

drivers/gpu/drm/bochs/bochs_fbdev.c

+0 −15
Original line number Diff line number Diff line
@@ -162,22 +162,7 @@ static int bochs_fbdev_destroy(struct bochs_device *bochs) 
	return 0;

}



void bochs_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,

			u16 blue, int regno)

{

}



void bochs_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,

			u16 *blue, int regno)

{

	*red   = regno;

	*green = regno;

	*blue  = regno;

}



static const struct drm_fb_helper_funcs bochs_fb_helper_funcs = {

	.gamma_set = bochs_fb_gamma_set,

	.gamma_get = bochs_fb_gamma_get,

	.fb_probe = bochsfb_create,

};

drivers/gpu/drm/bochs/bochs_kms.c

+0 −7
Original line number Diff line number Diff line
@@ -93,11 +93,6 @@ static void bochs_crtc_commit(struct drm_crtc *crtc) 
{

}



static void bochs_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,

				 u16 *blue, uint32_t start, uint32_t size)

{

}



static int bochs_crtc_page_flip(struct drm_crtc *crtc,

				struct drm_framebuffer *fb,

				struct drm_pending_vblank_event *event,
@@ -120,7 +115,6 @@ static int bochs_crtc_page_flip(struct drm_crtc *crtc, 


/* These provide the minimum set of functions required to handle a CRTC */

static const struct drm_crtc_funcs bochs_crtc_funcs = {

	.gamma_set = bochs_crtc_gamma_set,

	.set_config = drm_crtc_helper_set_config,

	.destroy = drm_crtc_cleanup,

	.page_flip = bochs_crtc_page_flip,
@@ -140,7 +134,6 @@ static void bochs_crtc_init(struct drm_device *dev) 
	struct drm_crtc *crtc = &bochs->crtc;



	drm_crtc_init(dev, crtc, &bochs_crtc_funcs);

	drm_mode_crtc_set_gamma_size(crtc, 256);

	drm_crtc_helper_add(crtc, &bochs_helper_funcs);

}

CRA Git | Maintained and supported by SUSTech CRA and CCSE