| Message ID | 20170106143029.11553-6-tomeu.vizoso@collabora.com |
|---|---|
| State | New |
| Headers | show |
On 6 January 2017 at 16:56, Sean Paul <seanpaul@chromium.org> wrote: > On Fri, Jan 6, 2017 at 9:30 AM, Tomeu Vizoso <tomeu.vizoso@collabora.com> wrote: >> Implement the .set_crc_source() callback and call the DP helpers >> accordingly to start and stop CRC capture. >> >> This is only done if this CRTC is currently using the eDP connector. >> >> v3: Remove superfluous check on rockchip_crtc_state->output_type >> >> Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> >> --- >> >> drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 48 +++++++++++++++++++++++++++++ >> 1 file changed, 48 insertions(+) >> >> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c >> index fb5f001f51c3..5e19bef6d5b4 100644 >> --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c >> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c >> @@ -19,6 +19,7 @@ >> #include <drm/drm_crtc_helper.h> >> #include <drm/drm_flip_work.h> >> #include <drm/drm_plane_helper.h> >> +#include <drm/bridge/analogix_dp.h> >> >> #include <linux/kernel.h> >> #include <linux/module.h> >> @@ -1105,6 +1106,52 @@ static void vop_crtc_destroy_state(struct drm_crtc *crtc, >> kfree(s); >> } >> >> +static struct drm_connector *vop_get_edp_connector(struct vop *vop) >> +{ >> + struct drm_crtc *crtc = &vop->crtc; >> + struct drm_connector *connector; >> + >> + mutex_lock(&crtc->dev->mode_config.mutex); >> + drm_for_each_connector(connector, crtc->dev) >> + if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { >> + mutex_unlock(&crtc->dev->mode_config.mutex); >> + return connector; >> + } >> + mutex_unlock(&crtc->dev->mode_config.mutex); >> + >> + return NULL; >> +} >> + >> +static int vop_crtc_set_crc_source(struct drm_crtc *crtc, >> + const char *source_name, size_t *values_cnt) >> +{ >> + struct vop *vop = to_vop(crtc); >> + struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc->state); >> + struct drm_connector *connector; >> + int ret; >> + >> + connector = vop_get_edp_connector(vop); >> + if (!connector) >> + return -EINVAL; >> + >> + *values_cnt = 3; >> + >> + if (source_name && >> + strcmp(source_name, "auto") == 0) { >> + >> + if (s->output_type != DRM_MODE_CONNECTOR_eDP) >> + return -EINVAL; >> + >> + ret = analogix_dp_start_crc(connector); > > To pick up my thoughts from 1/5, you could do the following instead: > > analogix_dp_start_crc(drm_crtc_index(crtc)); Well, I still need the dpaux to access the dpcd, so that would have to be: analogix_dp_start_crc(connector, drm_crtc_index(crtc)); Regards, Tomeu >> + } else if (!source_name) >> + >> + ret = analogix_dp_stop_crc(connector); >> + else >> + ret = -EINVAL; >> + >> + return ret; >> +} >> + >> static const struct drm_crtc_funcs vop_crtc_funcs = { >> .set_config = drm_atomic_helper_set_config, >> .page_flip = drm_atomic_helper_page_flip, >> @@ -1112,6 +1159,7 @@ static const struct drm_crtc_funcs vop_crtc_funcs = { >> .reset = vop_crtc_reset, >> .atomic_duplicate_state = vop_crtc_duplicate_state, >> .atomic_destroy_state = vop_crtc_destroy_state, >> + .set_crc_source = vop_crtc_set_crc_source, >> }; >> >> static void vop_fb_unref_worker(struct drm_flip_work *work, void *val) >> -- >> 2.9.3 >> >> >> _______________________________________________ >> linux-arm-kernel mailing list >> linux-arm-kernel@lists.infradead.org >> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel > > > > -- > Sean Paul, Software Engineer, Google / Chromium OS _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index fb5f001f51c3..5e19bef6d5b4 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -19,6 +19,7 @@ #include <drm/drm_crtc_helper.h> #include <drm/drm_flip_work.h> #include <drm/drm_plane_helper.h> +#include <drm/bridge/analogix_dp.h> #include <linux/kernel.h> #include <linux/module.h> @@ -1105,6 +1106,52 @@ static void vop_crtc_destroy_state(struct drm_crtc *crtc, kfree(s); } +static struct drm_connector *vop_get_edp_connector(struct vop *vop) +{ + struct drm_crtc *crtc = &vop->crtc; + struct drm_connector *connector; + + mutex_lock(&crtc->dev->mode_config.mutex); + drm_for_each_connector(connector, crtc->dev) + if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { + mutex_unlock(&crtc->dev->mode_config.mutex); + return connector; + } + mutex_unlock(&crtc->dev->mode_config.mutex); + + return NULL; +} + +static int vop_crtc_set_crc_source(struct drm_crtc *crtc, + const char *source_name, size_t *values_cnt) +{ + struct vop *vop = to_vop(crtc); + struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc->state); + struct drm_connector *connector; + int ret; + + connector = vop_get_edp_connector(vop); + if (!connector) + return -EINVAL; + + *values_cnt = 3; + + if (source_name && + strcmp(source_name, "auto") == 0) { + + if (s->output_type != DRM_MODE_CONNECTOR_eDP) + return -EINVAL; + + ret = analogix_dp_start_crc(connector); + } else if (!source_name) + + ret = analogix_dp_stop_crc(connector); + else + ret = -EINVAL; + + return ret; +} + static const struct drm_crtc_funcs vop_crtc_funcs = { .set_config = drm_atomic_helper_set_config, .page_flip = drm_atomic_helper_page_flip, @@ -1112,6 +1159,7 @@ static const struct drm_crtc_funcs vop_crtc_funcs = { .reset = vop_crtc_reset, .atomic_duplicate_state = vop_crtc_duplicate_state, .atomic_destroy_state = vop_crtc_destroy_state, + .set_crc_source = vop_crtc_set_crc_source, }; static void vop_fb_unref_worker(struct drm_flip_work *work, void *val)
Implement the .set_crc_source() callback and call the DP helpers accordingly to start and stop CRC capture. This is only done if this CRTC is currently using the eDP connector. v3: Remove superfluous check on rockchip_crtc_state->output_type Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> --- drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 48 +++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) -- 2.9.3 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel