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Commit c936843f authored by Oleg Vasilev's avatar Oleg Vasilev Committed by Rodrigo Siqueira
Browse files

drm/vkms: add crc sources list 



Other drivers are able to list crc sources when accessing
/sys/kernel/debug/dri/.../crtc-0/crc/control

Even though VKMS now supports only 'auto' mode, it is more consistent to
have the list available to the userspace.

Signed-off-by: default avatarOleg Vasilev <oleg.vasilev@intel.com>
Reviewed-by: default avatarRodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
Signed-off-by: default avatarRodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190613121802.2193-3-oleg.vasilev@intel.com
parent b6b3821f

drivers/gpu/drm/vkms/vkms_crc.c

+9 −0
Original line number Diff line number Diff line
@@ -212,6 +212,15 @@ void vkms_crc_work_handle(struct work_struct *work) 
	spin_unlock_irqrestore(&out->state_lock, flags);

}



static const char * const pipe_crc_sources[] = {"auto"};



const char *const *vkms_get_crc_sources(struct drm_crtc *crtc,

					size_t *count)

{

	*count = ARRAY_SIZE(pipe_crc_sources);

	return pipe_crc_sources;

}



static int vkms_crc_parse_source(const char *src_name, bool *enabled)

{

	int ret = 0;

drivers/gpu/drm/vkms/vkms_crtc.c

+1 −0
Original line number Diff line number Diff line
@@ -147,6 +147,7 @@ static const struct drm_crtc_funcs vkms_crtc_funcs = { 
	.atomic_destroy_state   = vkms_atomic_crtc_destroy_state,

	.enable_vblank		= vkms_enable_vblank,

	.disable_vblank		= vkms_disable_vblank,

	.get_crc_sources	= vkms_get_crc_sources,

	.set_crc_source		= vkms_set_crc_source,

	.verify_crc_source	= vkms_verify_crc_source,

};

drivers/gpu/drm/vkms/vkms_drv.h

+2 −0
Original line number Diff line number Diff line
@@ -128,6 +128,8 @@ int vkms_gem_vmap(struct drm_gem_object *obj); 
void vkms_gem_vunmap(struct drm_gem_object *obj);



/* CRC Support */

const char *const *vkms_get_crc_sources(struct drm_crtc *crtc,

					size_t *count);

int vkms_set_crc_source(struct drm_crtc *crtc, const char *src_name);

int vkms_verify_crc_source(struct drm_crtc *crtc, const char *source_name,

			   size_t *values_cnt);