From: Thomas Zimmermann <tzimmermann@suse.de>
To: jfalempe@redhat.com, airlied@redhat.com,
maarten.lankhorst@linux.intel.com, mripard@kernel.org,
airlied@gmail.com, daniel@ffwll.ch
Cc: dri-devel@lists.freedesktop.org, Thomas Zimmermann <tzimmermann@suse.de>
Subject: [PATCH v2 2/3] drm/mgag200: Remove vidrst callbacks from struct mgag200_device_funcs
Date: Wed, 10 Jul 2024 10:42:33 +0200 [thread overview]
Message-ID: <20240710084609.354578-3-tzimmermann@suse.de> (raw)
In-Reply-To: <20240710084609.354578-1-tzimmermann@suse.de>
The callbacks disable_vidrst and enable_vidrst are obsolete. Remove
the fields from struct mgag200_device_funcs. Instead call their
implementations directly of the field 'has_vidrst' has been set in
struct mgag200_device_info.
Also change the logic slightly. The BMC used to start and stop scanout
during the CRTC's atomic_enable and atomic_disable. Plane updates were
done while the BMC scanned out the display. Now only stop once in
atomic_disable at the beginning of a modeset and then restart the
scanout at the end of a modeset in atomic_enable. While the modeset
takes place, the BMC does not scanout at all.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
---
drivers/gpu/drm/mgag200/mgag200_drv.h | 12 ------------
drivers/gpu/drm/mgag200/mgag200_g200er.c | 7 ++-----
drivers/gpu/drm/mgag200/mgag200_g200ev.c | 7 ++-----
drivers/gpu/drm/mgag200/mgag200_g200ew3.c | 2 --
drivers/gpu/drm/mgag200/mgag200_g200se.c | 7 ++-----
drivers/gpu/drm/mgag200/mgag200_g200wb.c | 2 --
drivers/gpu/drm/mgag200/mgag200_mode.c | 15 ++++-----------
7 files changed, 10 insertions(+), 42 deletions(-)
diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.h b/drivers/gpu/drm/mgag200/mgag200_drv.h
index 4b75613de882..4a46c8c006c8 100644
--- a/drivers/gpu/drm/mgag200/mgag200_drv.h
+++ b/drivers/gpu/drm/mgag200/mgag200_drv.h
@@ -247,18 +247,6 @@ struct mgag200_device_info {
}
struct mgag200_device_funcs {
- /*
- * Disables an external reset source (i.e., BMC) before programming
- * a new display mode.
- */
- void (*disable_vidrst)(struct mga_device *mdev);
-
- /*
- * Enables an external reset source (i.e., BMC) after programming
- * a new display mode.
- */
- void (*enable_vidrst)(struct mga_device *mdev);
-
/*
* Validate that the given state can be programmed into PIXPLLC. On
* success, the calculated parameters should be stored in the CRTC's
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200er.c b/drivers/gpu/drm/mgag200/mgag200_g200er.c
index abfbed6ec390..b3bb3e9fb0d1 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200er.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200er.c
@@ -191,9 +191,6 @@ static void mgag200_g200er_crtc_helper_atomic_enable(struct drm_crtc *crtc,
struct mgag200_crtc_state *mgag200_crtc_state = to_mgag200_crtc_state(crtc_state);
const struct drm_format_info *format = mgag200_crtc_state->format;
- if (funcs->disable_vidrst)
- funcs->disable_vidrst(mdev);
-
mgag200_set_format_regs(mdev, format);
mgag200_set_mode_regs(mdev, adjusted_mode, mgag200_crtc_state->set_vidrst);
@@ -209,8 +206,8 @@ static void mgag200_g200er_crtc_helper_atomic_enable(struct drm_crtc *crtc,
mgag200_enable_display(mdev);
- if (funcs->enable_vidrst)
- funcs->enable_vidrst(mdev);
+ if (mdev->info->has_vidrst)
+ mgag200_bmc_enable_vidrst(mdev);
}
static const struct drm_crtc_helper_funcs mgag200_g200er_crtc_helper_funcs = {
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200ev.c b/drivers/gpu/drm/mgag200/mgag200_g200ev.c
index acc99999e2b5..3ac0a508e2c5 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200ev.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200ev.c
@@ -192,9 +192,6 @@ static void mgag200_g200ev_crtc_helper_atomic_enable(struct drm_crtc *crtc,
struct mgag200_crtc_state *mgag200_crtc_state = to_mgag200_crtc_state(crtc_state);
const struct drm_format_info *format = mgag200_crtc_state->format;
- if (funcs->disable_vidrst)
- funcs->disable_vidrst(mdev);
-
mgag200_set_format_regs(mdev, format);
mgag200_set_mode_regs(mdev, adjusted_mode, mgag200_crtc_state->set_vidrst);
@@ -210,8 +207,8 @@ static void mgag200_g200ev_crtc_helper_atomic_enable(struct drm_crtc *crtc,
mgag200_enable_display(mdev);
- if (funcs->enable_vidrst)
- funcs->enable_vidrst(mdev);
+ if (mdev->info->has_vidrst)
+ mgag200_bmc_enable_vidrst(mdev);
}
static const struct drm_crtc_helper_funcs mgag200_g200ev_crtc_helper_funcs = {
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200ew3.c b/drivers/gpu/drm/mgag200/mgag200_g200ew3.c
index 839401e8b465..265f3e95830a 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200ew3.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200ew3.c
@@ -146,8 +146,6 @@ static const struct mgag200_device_info mgag200_g200ew3_device_info =
MGAG200_DEVICE_INFO_INIT(2048, 2048, 0, true, 0, 1, false);
static const struct mgag200_device_funcs mgag200_g200ew3_device_funcs = {
- .disable_vidrst = mgag200_bmc_disable_vidrst,
- .enable_vidrst = mgag200_bmc_enable_vidrst,
.pixpllc_atomic_check = mgag200_g200ew3_pixpllc_atomic_check,
.pixpllc_atomic_update = mgag200_g200wb_pixpllc_atomic_update, // same as G200WB
};
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200se.c b/drivers/gpu/drm/mgag200/mgag200_g200se.c
index be4e124102c6..7a8099eb100c 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200se.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200se.c
@@ -323,9 +323,6 @@ static void mgag200_g200se_crtc_helper_atomic_enable(struct drm_crtc *crtc,
struct mgag200_crtc_state *mgag200_crtc_state = to_mgag200_crtc_state(crtc_state);
const struct drm_format_info *format = mgag200_crtc_state->format;
- if (funcs->disable_vidrst)
- funcs->disable_vidrst(mdev);
-
mgag200_set_format_regs(mdev, format);
mgag200_set_mode_regs(mdev, adjusted_mode, mgag200_crtc_state->set_vidrst);
@@ -341,8 +338,8 @@ static void mgag200_g200se_crtc_helper_atomic_enable(struct drm_crtc *crtc,
mgag200_enable_display(mdev);
- if (funcs->enable_vidrst)
- funcs->enable_vidrst(mdev);
+ if (mdev->info->has_vidrst)
+ mgag200_bmc_enable_vidrst(mdev);
}
static const struct drm_crtc_helper_funcs mgag200_g200se_crtc_helper_funcs = {
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200wb.c b/drivers/gpu/drm/mgag200/mgag200_g200wb.c
index 835df0f4fc13..e25477347c3e 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200wb.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200wb.c
@@ -280,8 +280,6 @@ static const struct mgag200_device_info mgag200_g200wb_device_info =
MGAG200_DEVICE_INFO_INIT(1280, 1024, 31877, true, 0, 1, false);
static const struct mgag200_device_funcs mgag200_g200wb_device_funcs = {
- .disable_vidrst = mgag200_bmc_disable_vidrst,
- .enable_vidrst = mgag200_bmc_enable_vidrst,
.pixpllc_atomic_check = mgag200_g200wb_pixpllc_atomic_check,
.pixpllc_atomic_update = mgag200_g200wb_pixpllc_atomic_update,
};
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
index e746f365fecf..fcc10723d385 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -657,9 +657,6 @@ void mgag200_crtc_helper_atomic_enable(struct drm_crtc *crtc, struct drm_atomic_
struct mgag200_crtc_state *mgag200_crtc_state = to_mgag200_crtc_state(crtc_state);
const struct drm_format_info *format = mgag200_crtc_state->format;
- if (funcs->disable_vidrst)
- funcs->disable_vidrst(mdev);
-
mgag200_set_format_regs(mdev, format);
mgag200_set_mode_regs(mdev, adjusted_mode, mgag200_crtc_state->set_vidrst);
@@ -673,22 +670,18 @@ void mgag200_crtc_helper_atomic_enable(struct drm_crtc *crtc, struct drm_atomic_
mgag200_enable_display(mdev);
- if (funcs->enable_vidrst)
- funcs->enable_vidrst(mdev);
+ if (mdev->info->has_vidrst)
+ mgag200_bmc_enable_vidrst(mdev);
}
void mgag200_crtc_helper_atomic_disable(struct drm_crtc *crtc, struct drm_atomic_state *old_state)
{
struct mga_device *mdev = to_mga_device(crtc->dev);
- const struct mgag200_device_funcs *funcs = mdev->funcs;
- if (funcs->disable_vidrst)
- funcs->disable_vidrst(mdev);
+ if (mdev->info->has_vidrst)
+ mgag200_bmc_disable_vidrst(mdev);
mgag200_disable_display(mdev);
-
- if (funcs->enable_vidrst)
- funcs->enable_vidrst(mdev);
}
void mgag200_crtc_reset(struct drm_crtc *crtc)
--
2.45.2
next prev parent reply other threads:[~2024-07-10 8:46 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-10 8:42 [PATCH v2 0/3] drm/mgag200: Control VIDRST and BMC from CRTC Thomas Zimmermann
2024-07-10 8:42 ` [PATCH v2 1/3] drm/mgag200: Only set VIDRST bits in CRTC modesetting Thomas Zimmermann
2024-07-10 14:25 ` Jocelyn Falempe
2024-07-10 14:45 ` Thomas Zimmermann
2024-07-10 8:42 ` Thomas Zimmermann [this message]
2024-07-10 14:26 ` [PATCH v2 2/3] drm/mgag200: Remove vidrst callbacks from struct mgag200_device_funcs Jocelyn Falempe
2024-07-10 8:42 ` [PATCH v2 3/3] drm/mgag200: Rename BMC vidrst names Thomas Zimmermann
2024-07-10 14:27 ` Jocelyn Falempe
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