| Message ID | 20180626062259.15563-7-mahesh1.kumar@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> On 6/26/2018 11:52 AM, Mahesh Kumar wrote: > 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 > --- > 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, > }; > > /* -----------------------------------------------------------------------------
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, }; /* -----------------------------------------------------------------------------
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 --- drivers/gpu/drm/rcar-du/rcar_du_crtc.c | 40 ++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+)