Hi Kalakodima,
Thank you for the patch.
On Wed, Apr 03, 2019 at 06:44:43PM +0530, VenkataRajesh.Kalakodima@xxxxxxxxxxxx wrote:
> From: kalakodima venkata rajesh <venkatarajesh.kalakodima@xxxxxxxxxxxx>
>
> Update gamma and ctm properties if there is a change.
>
> Signed-off-by: Harsha M M <harsha.manjulamallikarjun@xxxxxxxxxxxx>
>
> - Fix compilation issues when for_each_crtc_in_state is not defined
> - Resolved checkpatch errors
> - Resolved merge conflicts according to latest version
>
> Signed-off-by: kalakodima venkata rajesh <venkatarajesh.kalakodima@xxxxxxxxxxxx>
> ---
> drivers/gpu/drm/rcar-du/rcar_du_kms.c | 25 +++++++++++++++++++++++++
> include/drm/drm_atomic.h | 25 +++++++++++++++++++++++++
> 2 files changed, 50 insertions(+)
>
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
> index f0bc7cc..4d9a19c 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
> @@ -246,6 +246,10 @@ static int rcar_du_atomic_check(struct drm_device *dev,
> static void rcar_du_atomic_commit_tail(struct drm_atomic_state *old_state)
> {
> struct drm_device *dev = old_state->dev;
> + struct drm_crtc *crtc;
> + struct drm_crtc_state *crtc_state;
> + struct rcar_du_crtc *rcrtc;
> + int i;
>
> /* Apply the atomic update. */
> drm_atomic_helper_commit_modeset_disables(dev, old_state);
> @@ -253,6 +257,27 @@ static void rcar_du_atomic_commit_tail(struct drm_atomic_state *old_state)
> DRM_PLANE_COMMIT_ACTIVE_ONLY);
> drm_atomic_helper_commit_modeset_enables(dev, old_state);
>
> + /* Update gamma and ctm properties for all crtc in present
> + * state. Update is done only if there is a change
> + */
> + for_each_crtc_in_state(old_state, crtc, crtc_state, i) {
> + rcrtc = to_rcar_crtc(crtc);
> +
> + if (rcrtc->lut_handle) {
> + rcar_du_cmm_update_lut_and_free
> + (rcrtc->lut_handle,
> + (struct drm_color_lut *)crtc->state->gamma_lut->data,
> + (crtc->state->gamma_lut->length /
> + sizeof(struct drm_color_lut)));
> + rcrtc->lut_handle = NULL;
> + }
> + if (rcrtc->clu_handle) {
> + rcar_du_cmm_update_clu_and_free
> + (rcrtc->clu_handle,
> + (struct drm_color_ctm *)crtc->state->ctm->data);
> + rcrtc->clu_handle = NULL;
> + }
> + }
> drm_atomic_helper_commit_hw_done(old_state);
> drm_atomic_helper_wait_for_flip_done(dev, old_state);
We're in the process of reworking the commit tail handler, so I expect
major changes will be needed here.
>
> diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
> index 1e71315..d22ccd8 100644
> --- a/include/drm/drm_atomic.h
> +++ b/include/drm/drm_atomic.h
> @@ -693,6 +693,31 @@ void drm_state_dump(struct drm_device *dev, struct drm_printer *p);
> (new_connector_state) = (__state)->connectors[__i].new_state, 1))
>
> /**
> + * for_each_crtc_in_state - iterate over all connectors in an atomic update
> + * @__state: &struct drm_atomic_state pointer
> + * @crtc: &struct drm_crtc iteration cursor
> + * @crtc_state: &struct drm_crtc_state iteration cursor
> + * @__i: int iteration cursor, for macro-internal use
> + *
> + * This iterates over all CRTCs in an atomic update. Note that before the
> + * software state is committed (by calling drm_atomic_helper_swap_state(), this
> + * points to the new state, while afterwards it points to the old state. Due to
> + * this tricky confusion this macro is deprecated.
> + *
> + * FIXME:
> + *
> + * Replace all usage of this with one of the explicit iterators below and then
> + * remove this macro.
Then don't add it :-) In general you should look at the code you want to
upstream, this feels like it was a blind copy from a BSP without giving
it much consideration.
> + */
> +#define for_each_crtc_in_state(__state, crtc, crtc_state, __i) \
> + for ((__i) = 0; \
> + ((__i) < ((__state)->dev->mode_config.num_crtc)) && \
> + ((crtc) = ((__state)->crtcs[__i].ptr), \
> + (crtc_state) = ((__state)->crtcs[__i].state), 1); \
> + (__i)++) \
> + for_each_if(crtc_state)
> +
> +/**
> * for_each_oldnew_crtc_in_state - iterate over all CRTCs in an atomic update
> * @__state: &struct drm_atomic_state pointer
> * @crtc: &struct drm_crtc iteration cursor
--
Regards,
Laurent Pinchart
