Op 02-07-18 om 13:07 schreef Mahesh Kumar:
This patch implements "verify_crc_source" callback function for rcar drm driver.
Signed-off-by: Mahesh Kumar mahesh1.kumar@intel.com Cc: dri-devel@lists.freedesktop.org Reviewed-by: Maarten Lankhorst maarten.lankhorst@linux.intel.com
drivers/gpu/drm/rcar-du/rcar_du_crtc.c | 40 ++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+)
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c index 15dc9caa128b..24eeaa7e14d7 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c @@ -756,6 +756,45 @@ static void rcar_du_crtc_disable_vblank(struct drm_crtc *crtc) rcrtc->vblank_enable = false; }
+static int rcar_du_crtc_verify_crc_source(struct drm_crtc *crtc,
const char *source_name,size_t *values_cnt)+{
- struct rcar_du_crtc *rcrtc = to_rcar_crtc(crtc);
- unsigned int index = 0;
- unsigned int i;
- int ret;
- /*
* Parse the source name. Supported values are "plane%u" to compute the* CRC on an input plane (%u is the plane ID), and "auto" to compute the* CRC on the composer (VSP) output.*/- if (!source_name || !strcmp(source_name, "auto")) {
goto out;- } else if (strstarts(source_name, "plane")) {
ret = kstrtouint(source_name + strlen("plane"), 10, &index);if (ret < 0)return ret;for (i = 0; i < rcrtc->vsp->num_planes; ++i) {if (index == rcrtc->vsp->planes[i].plane.base.id) {index = i;break;}}if (i >= rcrtc->vsp->num_planes)return -EINVAL;- } else {
return -EINVAL;- }
+out:
- *values_cnt = 1;
- return 0;
+}
static int rcar_du_crtc_set_crc_source(struct drm_crtc *crtc, const char *source_name, size_t *values_cnt) @@ -861,6 +900,7 @@ static const struct drm_crtc_funcs crtc_funcs_gen3 = { .enable_vblank = rcar_du_crtc_enable_vblank, .disable_vblank = rcar_du_crtc_disable_vblank, .set_crc_source = rcar_du_crtc_set_crc_source,
- .verify_crc_source = rcar_du_crtc_verify_crc_source,
};
/* -----------------------------------------------------------------------------
Ack for merging this and 8/10 through drm-misc?