On 11/12, Maarten Lankhorst wrote:
> We already have __drm_atomic_helper_connector_reset() and
> __drm_atomic_helper_plane_reset(), extend this to crtc as well.
>
> Most drivers already have a gpu reset hook, correct it.
> Nouveau already implemented its own __drm_atomic_helper_crtc_reset(),
> convert it to the common one.
>
> Signed-off-by: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
> Cc: Harry Wentland <harry.wentl...@amd.com>
> Cc: Leo Li <sunpeng...@amd.com>
> Cc: Alex Deucher <alexander.deuc...@amd.com>
> Cc: "Christian König" <christian.koe...@amd.com>
> Cc: "David (ChunMing) Zhou" <david1.z...@amd.com>
> Cc: David Airlie <airl...@linux.ie>
> Cc: Liviu Dudau <liviu.du...@arm.com>
> Cc: Brian Starkey <brian.star...@arm.com>
> Cc: Mali DP Maintainers <mal...@foss.arm.com>
> Cc: Boris Brezillon <boris.brezil...@bootlin.com>
> Cc: Nicolas Ferre <nicolas.fe...@microchip.com>
> Cc: Alexandre Belloni <alexandre.bell...@bootlin.com>
> Cc: Ludovic Desroches <ludovic.desroc...@microchip.com>
> Cc: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
> Cc: Maxime Ripard <maxime.rip...@bootlin.com>
> Cc: Sean Paul <s...@poorly.run>
> Cc: Jani Nikula <jani.nik...@linux.intel.com>
> Cc: Joonas Lahtinen <joonas.lahti...@linux.intel.com>
> Cc: Rodrigo Vivi <rodrigo.v...@intel.com>
> Cc: Philipp Zabel <p.za...@pengutronix.de>
> Cc: CK Hu <ck...@mediatek.com>
> Cc: Matthias Brugger <matthias....@gmail.com>
> Cc: Rob Clark <robdcl...@gmail.com>
> Cc: Ben Skeggs <bske...@redhat.com>
> Cc: Tomi Valkeinen <tomi.valkei...@ti.com>
> Cc: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
> Cc: Kieran Bingham <kieran.bingham+rene...@ideasonboard.com>
> Cc: Sandy Huang <h...@rock-chips.com>
> Cc: "Heiko Stübner" <he...@sntech.de>
> Cc: Thierry Reding <thierry.red...@gmail.com>
> Cc: Jonathan Hunter <jonath...@nvidia.com>
> Cc: Eric Anholt <e...@anholt.net>
> Cc: VMware Graphics <linux-graphics-maintai...@vmware.com>
> Cc: Sinclair Yeh <s...@vmware.com>
> Cc: Thomas Hellstrom <thellst...@vmware.com>
> Cc: Tony Cheng <tony.ch...@amd.com>
> Cc: Shirish S <shiris...@amd.com>
> Cc: Mikita Lipski <mikita.lip...@amd.com>
> Cc: Bhawanpreet Lakha <bhawanpreet.la...@amd.com>
> Cc: David Francis <david.fran...@amd.com>
> Cc: Anthony Koo <anthony....@amd.com>
> Cc: Jeykumar Sankaran <jsa...@codeaurora.org>
> Cc: Jordan Crouse <jcro...@codeaurora.org>
> Cc: Bruce Wang <bzw...@chromium.org>
> Cc: Sravanthi Kollukuduru <skoll...@codeaurora.org>
> Cc: Archit Taneja <arch...@codeaurora.org>
> Cc: Steve Kowalik <ste...@wedontsleep.org>
> Cc: Carsten Behling <carsten.behl...@googlemail.com>
> Cc: Haneen Mohammed <hamohammed...@gmail.com>
> Cc: Daniel Vetter <daniel.vet...@ffwll.ch>
> Cc: Rodrigo Siqueira <rodrigosiqueiram...@gmail.com>
> Cc: Mahesh Kumar <mahesh1.ku...@intel.com>
> Cc: amd-...@lists.freedesktop.org
> Cc: dri-de...@lists.freedesktop.org
> Cc: linux-ker...@vger.kernel.org
> Cc: linux-arm-ker...@lists.infradead.org
> Cc: intel-...@lists.freedesktop.org
> Cc: linux-media...@lists.infradead.org
> Cc: linux-arm-...@vger.kernel.org
> Cc: freedreno@lists.freedesktop.org
> Cc: nouv...@lists.freedesktop.org
> Cc: linux-renesas-...@vger.kernel.org
> Cc: linux-rockc...@lists.infradead.org
> Cc: linux-te...@vger.kernel.org
> ---
> .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 4 +--
> drivers/gpu/drm/arm/malidp_crtc.c | 5 +--
> .../gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c | 5 +--
> drivers/gpu/drm/drm_atomic_state_helper.c | 31 ++++++++++++++++---
> drivers/gpu/drm/i915/intel_display.c | 2 +-
> drivers/gpu/drm/imx/ipuv3-crtc.c | 5 +--
> drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 5 +--
> drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 12 ++-----
> drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c | 6 +---
> drivers/gpu/drm/nouveau/dispnv50/head.c | 13 ++------
> drivers/gpu/drm/omapdrm/omap_crtc.c | 7 ++---
> drivers/gpu/drm/rcar-du/rcar_du_crtc.c | 4 +--
> drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 7 +++--
> drivers/gpu/drm/tegra/dc.c | 5 +--
> drivers/gpu/drm/vc4/vc4_crtc.c | 8 ++---
> drivers/gpu/drm/vkms/vkms_crtc.c | 7 +----
> drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 9 +-----
> include/drm/drm_atomic_state_helper.h | 2 ++
> 18 files changed, 56 insertions(+), 81 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> index 5064768642f3..770a71726cd1 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -2802,9 +2802,7 @@ static void dm_crtc_reset_state(struct drm_crtc *crtc)
> if (WARN_ON(!state))
> return;
>
> - crtc->state = &state->base;
> - crtc->state->crtc = crtc;
> -
> + __drm_atomic_helper_crtc_reset(crtc, &state->base);
> }
>
> static struct drm_crtc_state *
> diff --git a/drivers/gpu/drm/arm/malidp_crtc.c
> b/drivers/gpu/drm/arm/malidp_crtc.c
> index e1b72782848c..9a924ff27148 100644
> --- a/drivers/gpu/drm/arm/malidp_crtc.c
> +++ b/drivers/gpu/drm/arm/malidp_crtc.c
> @@ -474,10 +474,7 @@ static void malidp_crtc_reset(struct drm_crtc *crtc)
>
> kfree(state);
> state = kzalloc(sizeof(*state), GFP_KERNEL);
> - if (state) {
> - crtc->state = &state->base;
> - crtc->state->crtc = crtc;
> - }
> + __drm_atomic_helper_crtc_reset(crtc, &state->base);
> }
>
> static void malidp_crtc_destroy_state(struct drm_crtc *crtc,
> diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
> b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
> index 96f4082671fe..8084d549c7d1 100644
> --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
> +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
> @@ -412,10 +412,7 @@ static void atmel_hlcdc_crtc_reset(struct drm_crtc *crtc)
> }
>
> state = kzalloc(sizeof(*state), GFP_KERNEL);
> - if (state) {
> - crtc->state = &state->base;
> - crtc->state->crtc = crtc;
> - }
> + __drm_atomic_helper_crtc_reset(crtc, &state->base);
> }
>
> static struct drm_crtc_state *
> diff --git a/drivers/gpu/drm/drm_atomic_state_helper.c
> b/drivers/gpu/drm/drm_atomic_state_helper.c
> index 3ba996069d69..3eee1ca33fc5 100644
> --- a/drivers/gpu/drm/drm_atomic_state_helper.c
> +++ b/drivers/gpu/drm/drm_atomic_state_helper.c
> @@ -55,6 +55,29 @@
> * for these functions.
> */
>
> +/**
> + * __drm_atomic_helper_crtc_reset - reset state on CRTC
> + * @crtc: drm CRTC
> + * @crtc_state: CRTC state to assign
> + *
> + * Initializes the newly allocated @crtc_state and assigns it to
> + * the &drm_conector->state pointer of @crtc, usually required when
> + * initializing the drivers or when called from the &drm_crtc_funcs.reset
> + * hook.
> + *
> + * This is useful for drivers that subclass the CRTC state.
> + */
> +void
> +__drm_atomic_helper_crtc_reset(struct drm_crtc *crtc,
> + struct drm_crtc_state *crtc_state)
> +{
> + if (crtc_state)
> + crtc_state->crtc = crtc;
> +
> + crtc->state = crtc_state;
> +}
> +EXPORT_SYMBOL(__drm_atomic_helper_crtc_reset);
> +
> /**
> * drm_atomic_helper_crtc_reset - default &drm_crtc_funcs.reset hook for
> CRTCs
> * @crtc: drm CRTC
> @@ -64,14 +87,14 @@
> */
> void drm_atomic_helper_crtc_reset(struct drm_crtc *crtc)
> {
> + struct drm_crtc_state *crtc_state =
> + kzalloc(sizeof(*crtc->state), GFP_KERNEL);
> +
> if (crtc->state)
> __drm_atomic_helper_crtc_destroy_state(crtc->state);
>
> kfree(crtc->state);
> - crtc->state = kzalloc(sizeof(*crtc->state), GFP_KERNEL);
> -
> - if (crtc->state)
> - crtc->state->crtc = crtc;
> + __drm_atomic_helper_crtc_reset(crtc, crtc_state);
> }
> EXPORT_SYMBOL(drm_atomic_helper_crtc_reset);
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c
> b/drivers/gpu/drm/i915/intel_display.c
> index f383417571ec..907ffeb64781 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -15457,7 +15457,7 @@ static void intel_modeset_readout_hw_state(struct
> drm_device *dev)
>
> __drm_atomic_helper_crtc_destroy_state(&crtc_state->base);
> memset(crtc_state, 0, sizeof(*crtc_state));
> - crtc_state->base.crtc = &crtc->base;
> + __drm_atomic_helper_crtc_reset(&crtc->base, &crtc_state->base);
>
> crtc_state->base.active = crtc_state->base.enable =
> dev_priv->display.get_pipe_config(crtc, crtc_state);
> diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c
> b/drivers/gpu/drm/imx/ipuv3-crtc.c
> index 7d4b710b837a..8bc36f0d2b6b 100644
> --- a/drivers/gpu/drm/imx/ipuv3-crtc.c
> +++ b/drivers/gpu/drm/imx/ipuv3-crtc.c
> @@ -120,12 +120,9 @@ static void imx_drm_crtc_reset(struct drm_crtc *crtc)
> memset(state, 0, sizeof(*state));
> } else {
> state = kzalloc(sizeof(*state), GFP_KERNEL);
> - if (!state)
> - return;
> - crtc->state = &state->base;
> }
>
> - state->base.crtc = crtc;
> + __drm_atomic_helper_crtc_reset(crtc, &state->base);
> }
>
> static struct drm_crtc_state *imx_drm_crtc_duplicate_state(struct drm_crtc
> *crtc)
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> index 92ecb9bf982c..a743e5ed1177 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> @@ -119,12 +119,9 @@ static void mtk_drm_crtc_reset(struct drm_crtc *crtc)
> memset(state, 0, sizeof(*state));
> } else {
> state = kzalloc(sizeof(*state), GFP_KERNEL);
> - if (!state)
> - return;
> - crtc->state = &state->base;
> }
>
> - state->base.crtc = crtc;
> + __drm_atomic_helper_crtc_reset(crtc, &state->base);
> }
>
> static struct drm_crtc_state *mtk_drm_crtc_duplicate_state(struct drm_crtc
> *crtc)
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> index d4530d60767b..c86e603f486a 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> @@ -894,20 +894,12 @@ static void dpu_crtc_reset(struct drm_crtc *crtc)
> _dpu_crtc_set_suspend(crtc, false);
>
> /* remove previous state, if present */
> - if (crtc->state) {
> + if (crtc->state)
> dpu_crtc_destroy_state(crtc, crtc->state);
> - crtc->state = 0;
> - }
>
> dpu_crtc = to_dpu_crtc(crtc);
> cstate = kzalloc(sizeof(*cstate), GFP_KERNEL);
> - if (!cstate) {
> - DPU_ERROR("failed to allocate state\n");
> - return;
> - }
> -
> - cstate->base.crtc = crtc;
> - crtc->state = &cstate->base;
> + __drm_atomic_helper_crtc_reset(crtc, &cstate->base);
> }
>
> static void dpu_crtc_handle_power_event(u32 event_type, void *arg)
> diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c
> b/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c
> index b1da9ce54379..138da66b1530 100644
> --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c
> +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c
> @@ -1019,11 +1019,7 @@ static void mdp5_crtc_reset(struct drm_crtc *crtc)
> }
>
> mdp5_cstate = kzalloc(sizeof(*mdp5_cstate), GFP_KERNEL);
> -
> - if (mdp5_cstate) {
> - mdp5_cstate->base.crtc = crtc;
> - crtc->state = &mdp5_cstate->base;
> - }
> + __drm_atomic_helper_crtc_reset(crtc, &mdp5_cstate->base);
> }
>
> static struct drm_crtc_state *
> diff --git a/drivers/gpu/drm/nouveau/dispnv50/head.c
> b/drivers/gpu/drm/nouveau/dispnv50/head.c
> index 4f57e5379796..341600406589 100644
> --- a/drivers/gpu/drm/nouveau/dispnv50/head.c
> +++ b/drivers/gpu/drm/nouveau/dispnv50/head.c
> @@ -418,16 +418,6 @@ nv50_head_atomic_duplicate_state(struct drm_crtc *crtc)
> return &asyh->state;
> }
>
> -static void
> -__drm_atomic_helper_crtc_reset(struct drm_crtc *crtc,
> - struct drm_crtc_state *state)
> -{
> - if (crtc->state)
> - crtc->funcs->atomic_destroy_state(crtc, crtc->state);
> - crtc->state = state;
> - crtc->state->crtc = crtc;
> -}
> -
> static void
> nv50_head_reset(struct drm_crtc *crtc)
> {
> @@ -436,6 +426,9 @@ nv50_head_reset(struct drm_crtc *crtc)
> if (WARN_ON(!(asyh = kzalloc(sizeof(*asyh), GFP_KERNEL))))
> return;
>
> + if (crtc->state)
> + crtc->funcs->atomic_destroy_state(crtc, crtc->state);
> +
> __drm_atomic_helper_crtc_reset(crtc, &asyh->state);
> }
>
> diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c
> b/drivers/gpu/drm/omapdrm/omap_crtc.c
> index caffc547ef97..9c5f8109913c 100644
> --- a/drivers/gpu/drm/omapdrm/omap_crtc.c
> +++ b/drivers/gpu/drm/omapdrm/omap_crtc.c
> @@ -554,14 +554,13 @@ static int omap_crtc_atomic_get_property(struct
> drm_crtc *crtc,
>
> static void omap_crtc_reset(struct drm_crtc *crtc)
> {
> + struct omap_crtc_state *crtc_state =
> + kzalloc(sizeof(*crtc_state), GFP_KERNEL);
> if (crtc->state)
> __drm_atomic_helper_crtc_destroy_state(crtc->state);
>
> kfree(crtc->state);
> - crtc->state = kzalloc(sizeof(struct omap_crtc_state), GFP_KERNEL);
> -
> - if (crtc->state)
> - crtc->state->crtc = crtc;
> + __drm_atomic_helper_crtc_reset(crtc, &crtc_state->base);
> }
>
> static struct drm_crtc_state *
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
> b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
> index 17741843cf51..7beab22b4674 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
> @@ -857,14 +857,12 @@ static void rcar_du_crtc_reset(struct drm_crtc *crtc)
> }
>
> state = kzalloc(sizeof(*state), GFP_KERNEL);
> + __drm_atomic_helper_crtc_reset(crtc, &state->state);
> if (state == NULL)
> return;
>
> state->crc.source = VSP1_DU_CRC_NONE;
> state->crc.index = 0;
> -
> - crtc->state = &state->state;
> - crtc->state->crtc = crtc;
> }
>
> static int rcar_du_crtc_enable_vblank(struct drm_crtc *crtc)
> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> index fb70fb486fbf..d2d5aa676084 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> @@ -1071,13 +1071,14 @@ static void vop_crtc_destroy(struct drm_crtc *crtc)
>
> static void vop_crtc_reset(struct drm_crtc *crtc)
> {
> + struct rockchip_crtc_state *crtc_state =
> + kzalloc(sizeof(*crtc_state), GFP_KERNEL);
> +
> if (crtc->state)
> __drm_atomic_helper_crtc_destroy_state(crtc->state);
> kfree(crtc->state);
>
> - crtc->state = kzalloc(sizeof(struct rockchip_crtc_state), GFP_KERNEL);
> - if (crtc->state)
> - crtc->state->crtc = crtc;
> + __drm_atomic_helper_crtc_reset(crtc, &crtc_state->base);
> }
>
> static struct drm_crtc_state *vop_crtc_duplicate_state(struct drm_crtc *crtc)
> diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
> index f80e82e16475..140d6191d8d2 100644
> --- a/drivers/gpu/drm/tegra/dc.c
> +++ b/drivers/gpu/drm/tegra/dc.c
> @@ -1164,10 +1164,7 @@ static void tegra_crtc_reset(struct drm_crtc *crtc)
> crtc->state = NULL;
>
> state = kzalloc(sizeof(*state), GFP_KERNEL);
> - if (state) {
> - crtc->state = &state->base;
> - crtc->state->crtc = crtc;
> - }
> + __drm_atomic_helper_crtc_reset(crtc, &state->base);
>
> drm_crtc_vblank_reset(crtc);
> }
> diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c
> index cd226e63d557..76beeda157fc 100644
> --- a/drivers/gpu/drm/vc4/vc4_crtc.c
> +++ b/drivers/gpu/drm/vc4/vc4_crtc.c
> @@ -998,12 +998,12 @@ static void vc4_crtc_destroy_state(struct drm_crtc
> *crtc,
> static void
> vc4_crtc_reset(struct drm_crtc *crtc)
> {
> - if (crtc->state)
> - vc4_crtc_destroy_state(crtc->state);
> + struct vc4_crtc_state *crtc_state =
> + kzalloc(sizeof(*crtc_state), GFP_KERNEL);
>
> - crtc->state = kzalloc(sizeof(struct vc4_crtc_state), GFP_KERNEL);
> if (crtc->state)
> - crtc->state->crtc = crtc;
> + vc4_crtc_destroy_state(crtc, crtc->state);
> + __drm_atomic_helper_crtc_reset(crtc, &crtc_state->base);
> }
>
> static const struct drm_crtc_funcs vc4_crtc_funcs = {
> diff --git a/drivers/gpu/drm/vkms/vkms_crtc.c
> b/drivers/gpu/drm/vkms/vkms_crtc.c
> index 177bbcb38306..7b018f6ee971 100644
> --- a/drivers/gpu/drm/vkms/vkms_crtc.c
> +++ b/drivers/gpu/drm/vkms/vkms_crtc.c
> @@ -98,15 +98,10 @@ static void vkms_atomic_crtc_reset(struct drm_crtc *crtc)
> vkms_state = to_vkms_crtc_state(crtc->state);
> __drm_atomic_helper_crtc_destroy_state(crtc->state);
> kfree(vkms_state);
> - crtc->state = NULL;
> }
>
> vkms_state = kzalloc(sizeof(*vkms_state), GFP_KERNEL);
> - if (!vkms_state)
> - return;
> -
> - crtc->state = &vkms_state->base;
> - crtc->state->crtc = crtc;
> + __drm_atomic_helper_crtc_reset(crtc, &vkms_state->base);
> }
I tested the changes with IGT, and everything looks fine for VKMS.
Reviewed-by: Rodrigo Siqueira <rodrigosiqueiram...@gmail.com>
> static struct drm_crtc_state *
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
> b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
> index e6b11f6ae2e4..2878bc0a4718 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
> @@ -633,14 +633,7 @@ void vmw_du_crtc_reset(struct drm_crtc *crtc)
> }
>
> vcs = kzalloc(sizeof(*vcs), GFP_KERNEL);
> -
> - if (!vcs) {
> - DRM_ERROR("Cannot allocate vmw_crtc_state\n");
> - return;
> - }
> -
> - crtc->state = &vcs->base;
> - crtc->state->crtc = crtc;
> + __drm_atomic_helper_crtc_reset(crtc, &vcs->base);
> }
>
>
> diff --git a/include/drm/drm_atomic_state_helper.h
> b/include/drm/drm_atomic_state_helper.h
> index 5b82ccfdb502..ab2b5a49948c 100644
> --- a/include/drm/drm_atomic_state_helper.h
> +++ b/include/drm/drm_atomic_state_helper.h
> @@ -37,6 +37,8 @@ struct drm_private_state;
> struct drm_modeset_acquire_ctx;
> struct drm_device;
>
> +void __drm_atomic_helper_crtc_reset(struct drm_crtc *crtc,
> + struct drm_crtc_state *state);
> void drm_atomic_helper_crtc_reset(struct drm_crtc *crtc);
> void __drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *crtc,
> struct drm_crtc_state *state);
> --
> 2.19.1
>
--
Rodrigo Siqueira
https://siqueira.tech
Graduate Student
Department of Computer Science
University of São Paulo
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