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.lankhorst@xxxxxxxxxxxxxxx>
Cc: Harry Wentland <harry.wentland@xxxxxxx>
Cc: Leo Li <sunpeng.li@xxxxxxx>
Cc: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: "Christian König" <christian.koenig@xxxxxxx>
Cc: "David (ChunMing) Zhou" <David1.Zhou@xxxxxxx>
Cc: David Airlie <airlied@xxxxxxxx>
Cc: Liviu Dudau <liviu.dudau@xxxxxxx>
Cc: Brian Starkey <brian.starkey@xxxxxxx>
Cc: Mali DP Maintainers <malidp@xxxxxxxxxxxx>
Cc: Boris Brezillon <boris.brezillon@xxxxxxxxxxx>
Cc: Nicolas Ferre <nicolas.ferre@xxxxxxxxxxxxx>
Cc: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
Cc: Ludovic Desroches <ludovic.desroches@xxxxxxxxxxxxx>
Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Cc: Maxime Ripard <maxime.ripard@xxxxxxxxxxx>
Cc: Sean Paul <sean@xxxxxxxxxx>
Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Cc: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
Cc: CK Hu <ck.hu@xxxxxxxxxxxx>
Cc: Matthias Brugger <matthias.bgg@xxxxxxxxx>
Cc: Rob Clark <robdclark@xxxxxxxxx>
Cc: Ben Skeggs <bskeggs@xxxxxxxxxx>
Cc: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Cc: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
Cc: Sandy Huang <hjc@xxxxxxxxxxxxxx>
Cc: "Heiko Stübner" <heiko@xxxxxxxxx>
Cc: Thierry Reding <thierry.reding@xxxxxxxxx>
Cc: Jonathan Hunter <jonathanh@xxxxxxxxxx>
Cc: Eric Anholt <eric@xxxxxxxxxx>
Cc: VMware Graphics <linux-graphics-maintainer@xxxxxxxxxx>
Cc: Sinclair Yeh <syeh@xxxxxxxxxx>
Cc: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
Cc: Tony Cheng <Tony.Cheng@xxxxxxx>
Cc: Shirish S <shirish.s@xxxxxxx>
Cc: Mikita Lipski <mikita.lipski@xxxxxxx>
Cc: Bhawanpreet Lakha <Bhawanpreet.Lakha@xxxxxxx>
Cc: David Francis <David.Francis@xxxxxxx>
Cc: Anthony Koo <Anthony.Koo@xxxxxxx>
Cc: Jeykumar Sankaran <jsanka@xxxxxxxxxxxxxx>
Cc: Jordan Crouse <jcrouse@xxxxxxxxxxxxxx>
Cc: Bruce Wang <bzwang@xxxxxxxxxxxx>
Cc: Sravanthi Kollukuduru <skolluku@xxxxxxxxxxxxxx>
Cc: Archit Taneja <architt@xxxxxxxxxxxxxx>
Cc: Steve Kowalik <steven@xxxxxxxxxxxxxxx>
Cc: Carsten Behling <carsten.behling@xxxxxxxxxxxxxx>
Cc: Haneen Mohammed <hamohammed.sa@xxxxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
Cc: Rodrigo Siqueira <rodrigosiqueiramelo@xxxxxxxxx>
Cc: Mahesh Kumar <mahesh1.kumar@xxxxxxxxx>
Cc: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: linux-mediatek@xxxxxxxxxxxxxxxxxxx
Cc: linux-arm-msm@xxxxxxxxxxxxxxx
Cc: freedreno@xxxxxxxxxxxxxxxxxxxxx
Cc: nouveau@xxxxxxxxxxxxxxxxxxxxx
Cc: linux-renesas-soc@xxxxxxxxxxxxxxx
Cc: linux-rockchip@xxxxxxxxxxxxxxxxxxx
Cc: linux-tegra@xxxxxxxxxxxxxxx
---
.../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);
}
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
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