From: Laurent Pinchart <laurent.pinchart@ideasonboard.com> To: Jacopo Mondi <jacopo+renesas@jmondi.org> Cc: kieran.bingham+renesas@ideasonboard.com, airlied@linux.ie, daniel@ffwll.ch, koji.matsuoka.xm@renesas.com, muroya@ksk.co.jp, VenkataRajesh.Kalakodima@in.bosch.com, Harsha.ManjulaMallikarjun@in.bosch.com, linux-renesas-soc@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 20/20] drm: rcar-du: kms: Update CMM in atomic commit tail Date: Fri, 7 Jun 2019 15:06:33 +0300 Message-ID: <20190607120633.GI7593@pendragon.ideasonboard.com> (raw) In-Reply-To: <20190606142220.1392-21-jacopo+renesas@jmondi.org> Hi Jacopo, Thank you for the patch. On Thu, Jun 06, 2019 at 04:22:20PM +0200, Jacopo Mondi wrote: > Update CMM settings at in the atomic commit tail helper method. > > The CMM is updated with new gamma values provided to the driver > in the GAMMA_LUT blob property. > > Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org> > --- > drivers/gpu/drm/rcar-du/rcar_du_kms.c | 36 +++++++++++++++++++++++++++ > 1 file changed, 36 insertions(+) > > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c > index 5a910a04e1d9..29a2020a46b5 100644 > --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c > +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c > @@ -21,6 +21,7 @@ > #include <linux/of_platform.h> > #include <linux/wait.h> > > +#include "rcar_cmm.h" > #include "rcar_du_crtc.h" > #include "rcar_du_drv.h" > #include "rcar_du_encoder.h" > @@ -367,6 +368,38 @@ rcar_du_fb_create(struct drm_device *dev, struct drm_file *file_priv, > * Atomic Check and Update > */ > > +static void rcar_du_atomic_commit_update_cmm(struct drm_crtc *crtc, > + struct drm_crtc_state *old_state) > +{ > + struct rcar_du_crtc *rcrtc = to_rcar_crtc(crtc); > + struct rcar_cmm_config cmm_config = {}; > + > + if (!rcrtc->cmm || !crtc->state->color_mgmt_changed) > + return; > + > + if (!crtc->state->gamma_lut) { > + cmm_config.lut.enable = false; > + rcar_cmm_setup(rcrtc->cmm, &cmm_config); > + > + return; > + } > + > + cmm_config.lut.enable = true; > + cmm_config.lut.table = (struct drm_color_lut *) > + crtc->state->gamma_lut->data; > + > + /* Set LUT table size to 0 if entries should not be updated. */ > + if (!old_state->gamma_lut || > + (old_state->gamma_lut->base.id != > + crtc->state->gamma_lut->base.id)) > + cmm_config.lut.size = crtc->state->gamma_lut->length > + / sizeof(cmm_config.lut.table[0]); Do you need to call rcar_cmm_setup() at all in this case ? > + else > + cmm_config.lut.size = 0; > + > + rcar_cmm_setup(rcrtc->cmm, &cmm_config); > +} > + > static int rcar_du_atomic_check(struct drm_device *dev, > struct drm_atomic_state *state) > { > @@ -409,6 +442,9 @@ static void rcar_du_atomic_commit_tail(struct drm_atomic_state *old_state) > rcdu->dpad1_source = rcrtc->index; > } > > + for_each_old_crtc_in_state(old_state, crtc, crtc_state, i) > + rcar_du_atomic_commit_update_cmm(crtc, crtc_state); > + > /* Apply the atomic update. */ > drm_atomic_helper_commit_modeset_disables(dev, old_state); > drm_atomic_helper_commit_planes(dev, old_state, -- Regards, Laurent Pinchart
next prev parent reply index Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-06-06 14:22 [PATCH 00/20] drm: rcar-du: Add Color Management Module (CMM) Jacopo Mondi 2019-06-06 14:22 ` [PATCH 01/20] dt-bindings: display: renesas,cmm: Add R-Car CMM documentation Jacopo Mondi 2019-06-06 16:52 ` Laurent Pinchart 2019-06-06 18:06 ` Geert Uytterhoeven 2019-06-06 20:19 ` Sergei Shtylyov 2019-06-06 14:22 ` [PATCH 02/20] dt-bindings: display, renesas,du: Document cmms property Jacopo Mondi 2019-06-06 16:52 ` Laurent Pinchart 2019-06-06 14:22 ` [PATCH 03/20] dt-bindings: display, renesas,du: Update 'vsps' in example Jacopo Mondi 2019-06-06 16:53 ` Laurent Pinchart 2019-06-06 20:00 ` Geert Uytterhoeven 2019-06-07 11:36 ` Laurent Pinchart 2019-06-06 14:22 ` [PATCH 04/20] clk: renesas: r8a7796: Add CMM clocks Jacopo Mondi 2019-06-06 14:22 ` [PATCH 05/20] clk: renesas: r8a7795: " Jacopo Mondi 2019-06-06 16:58 ` Laurent Pinchart 2019-06-06 18:18 ` Jacopo Mondi 2019-06-12 7:41 ` Geert Uytterhoeven 2019-06-06 14:22 ` [PATCH 06/20] clk: renesas: r8a77965: " Jacopo Mondi 2019-06-06 16:59 ` Laurent Pinchart 2019-06-12 7:43 ` Geert Uytterhoeven 2019-06-06 14:22 ` [PATCH 07/20] clk: renesas: r8a77990: " Jacopo Mondi 2019-06-06 17:00 ` Laurent Pinchart 2019-06-12 7:43 ` Geert Uytterhoeven 2019-06-06 14:22 ` [PATCH 08/20] clk: renesas: r8a77995: " Jacopo Mondi 2019-06-06 17:00 ` Laurent Pinchart 2019-06-12 7:44 ` Geert Uytterhoeven 2019-06-06 14:22 ` [PATCH 09/20] arm64: dts: renesas: r8a7796: Add CMM units Jacopo Mondi 2019-06-06 17:04 ` Laurent Pinchart 2019-06-06 14:22 ` [PATCH 10/20] arm64: dts: renesas: r8a7795: " Jacopo Mondi 2019-06-06 17:06 ` Laurent Pinchart 2019-06-06 14:22 ` [PATCH 11/20] arm64: dts: renesas: r8a77965: " Jacopo Mondi 2019-06-06 17:06 ` Laurent Pinchart 2019-06-06 14:22 ` [PATCH 12/20] arm64: dts: renesas: r8a77990: " Jacopo Mondi 2019-06-06 17:07 ` Laurent Pinchart 2019-06-06 14:22 ` [PATCH 13/20] arm64: dts: renesas: r8a77995: " Jacopo Mondi 2019-06-06 17:08 ` Laurent Pinchart 2019-06-06 14:22 ` [PATCH 14/20] drm: rcar-du: Add support for CMM Jacopo Mondi 2019-06-07 11:35 ` Laurent Pinchart 2019-06-07 11:44 ` Laurent Pinchart 2019-06-07 12:18 ` Laurent Pinchart 2019-06-14 8:54 ` Jacopo Mondi 2019-06-06 14:22 ` [PATCH 15/20] drm: rcar-du: Claim CMM support for Gen3 SoCs Jacopo Mondi 2019-06-07 11:38 ` Laurent Pinchart 2019-06-06 14:22 ` [PATCH 16/20] drm: rcar-du: kms: Collect CMM instances Jacopo Mondi 2019-06-07 11:49 ` Laurent Pinchart 2019-06-06 14:22 ` [PATCH 17/20] drm: rcar-du: crtc: Enable and disable CMMs Jacopo Mondi 2019-06-07 11:51 ` Laurent Pinchart 2019-06-06 14:22 ` [PATCH 18/20] drm: rcar-du: group: Enable DU's CMM extension Jacopo Mondi 2019-06-07 11:55 ` Laurent Pinchart 2019-06-06 14:22 ` [PATCH 19/20] drm: rcar-du: crtc: Register GAMMA_LUT properties Jacopo Mondi 2019-06-07 12:03 ` Laurent Pinchart 2019-06-14 8:15 ` Jacopo Mondi 2019-06-14 8:42 ` Daniel Vetter 2019-06-14 9:27 ` Jacopo Mondi 2019-06-14 14:47 ` Daniel Vetter 2019-06-06 14:22 ` [PATCH 20/20] drm: rcar-du: kms: Update CMM in atomic commit tail Jacopo Mondi 2019-06-07 12:06 ` Laurent Pinchart [this message] 2019-06-14 8:19 ` Jacopo Mondi 2019-09-12 23:39 ` Laurent Pinchart
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