drm/exynos: atomic dpms support
Run dpms operations through the atomic intefaces. This basically removes
the .dpms() callback from econders and crtcs and use .disable() and
.enable() to turn the crtc on and off.
v2: Address comments by Joonyoung:
- make hdmi code call ->disable() instead of ->dpms()
- do not use WARN_ON on crtc enable/disable
v3: - Fix build failure after the hdmi change in v2
- Change dpms helper of ptn3460 bridge
v4: - remove win_commit() call from .enable()
v5: - move .atomic_check() to the atomic PageFlip patch, and transform it
in .atomic_begin()
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Tested-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
diff --git a/drivers/gpu/drm/bridge/ps8622.c b/drivers/gpu/drm/bridge/ps8622.c
index 4043a0f..1a6607b 100644
--- a/drivers/gpu/drm/bridge/ps8622.c
+++ b/drivers/gpu/drm/bridge/ps8622.c
@@ -500,7 +500,7 @@
}
static const struct drm_connector_funcs ps8622_connector_funcs = {
- .dpms = drm_helper_connector_dpms,
+ .dpms = drm_atomic_helper_connector_dpms,
.fill_modes = drm_helper_probe_single_connector_modes,
.detect = ps8622_detect,
.destroy = ps8622_connector_destroy,
diff --git a/drivers/gpu/drm/bridge/ptn3460.c b/drivers/gpu/drm/bridge/ptn3460.c
index 737aa74..1b1bf23 100644
--- a/drivers/gpu/drm/bridge/ptn3460.c
+++ b/drivers/gpu/drm/bridge/ptn3460.c
@@ -259,7 +259,7 @@
}
static struct drm_connector_funcs ptn3460_connector_funcs = {
- .dpms = drm_helper_connector_dpms,
+ .dpms = drm_atomic_helper_connector_dpms,
.fill_modes = drm_helper_probe_single_connector_modes,
.detect = ptn3460_detect,
.destroy = ptn3460_connector_destroy,
diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c
index b8dd3e9..27768d8 100644
--- a/drivers/gpu/drm/exynos/exynos_dp_core.c
+++ b/drivers/gpu/drm/exynos/exynos_dp_core.c
@@ -953,7 +953,7 @@
}
static struct drm_connector_funcs exynos_dp_connector_funcs = {
- .dpms = drm_helper_connector_dpms,
+ .dpms = drm_atomic_helper_connector_dpms,
.fill_modes = drm_helper_probe_single_connector_modes,
.detect = exynos_dp_detect,
.destroy = exynos_dp_connector_destroy,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index 7125fbe..dd8e454 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -22,40 +22,41 @@
#include "exynos_drm_encoder.h"
#include "exynos_drm_plane.h"
-static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode)
+static void exynos_drm_crtc_enable(struct drm_crtc *crtc)
{
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
- DRM_DEBUG_KMS("crtc[%d] mode[%d]\n", crtc->base.id, mode);
-
- if (exynos_crtc->dpms == mode) {
- DRM_DEBUG_KMS("desired dpms mode is same as previous one.\n");
+ if (exynos_crtc->enabled)
return;
- }
-
- if (mode > DRM_MODE_DPMS_ON) {
- /* wait for the completion of page flip. */
- if (!wait_event_timeout(exynos_crtc->pending_flip_queue,
- (exynos_crtc->event == NULL), HZ/20))
- exynos_crtc->event = NULL;
- drm_crtc_vblank_off(crtc);
- }
if (exynos_crtc->ops->dpms)
- exynos_crtc->ops->dpms(exynos_crtc, mode);
+ exynos_crtc->ops->dpms(exynos_crtc, DRM_MODE_DPMS_ON);
- exynos_crtc->dpms = mode;
+ exynos_crtc->enabled = true;
- if (mode == DRM_MODE_DPMS_ON)
- drm_crtc_vblank_on(crtc);
+ drm_crtc_vblank_on(crtc);
}
static void exynos_drm_crtc_disable(struct drm_crtc *crtc)
{
+ struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
struct drm_plane *plane;
int ret;
- exynos_drm_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
+ if (!exynos_crtc->enabled)
+ return;
+
+ /* wait for the completion of page flip. */
+ if (!wait_event_timeout(exynos_crtc->pending_flip_queue,
+ (exynos_crtc->event == NULL), HZ/20))
+ exynos_crtc->event = NULL;
+
+ drm_crtc_vblank_off(crtc);
+
+ if (exynos_crtc->ops->dpms)
+ exynos_crtc->ops->dpms(exynos_crtc, DRM_MODE_DPMS_OFF);
+
+ exynos_crtc->enabled = false;
drm_for_each_legacy_plane(plane, &crtc->dev->mode_config.plane_list) {
if (plane->crtc != crtc)
@@ -67,17 +68,6 @@
}
}
-static void exynos_drm_crtc_commit(struct drm_crtc *crtc)
-{
- struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
- struct exynos_drm_plane *exynos_plane = to_exynos_plane(crtc->primary);
-
- exynos_drm_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
-
- if (exynos_crtc->ops->win_commit)
- exynos_crtc->ops->win_commit(exynos_crtc, exynos_plane->zpos);
-}
-
static bool
exynos_drm_crtc_mode_fixup(struct drm_crtc *crtc,
const struct drm_display_mode *mode,
@@ -116,9 +106,8 @@
}
static struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = {
- .dpms = exynos_drm_crtc_dpms,
+ .enable = exynos_drm_crtc_enable,
.disable = exynos_drm_crtc_disable,
- .commit = exynos_drm_crtc_commit,
.mode_fixup = exynos_drm_crtc_mode_fixup,
.mode_set_nofb = exynos_drm_crtc_mode_set_nofb,
.atomic_begin = exynos_crtc_atomic_begin,
@@ -163,7 +152,6 @@
init_waitqueue_head(&exynos_crtc->pending_flip_queue);
- exynos_crtc->dpms = DRM_MODE_DPMS_OFF;
exynos_crtc->pipe = pipe;
exynos_crtc->type = type;
exynos_crtc->ops = ops;
@@ -194,7 +182,7 @@
struct exynos_drm_crtc *exynos_crtc =
to_exynos_crtc(private->crtc[pipe]);
- if (exynos_crtc->dpms != DRM_MODE_DPMS_ON)
+ if (!exynos_crtc->enabled)
return -EPERM;
if (exynos_crtc->ops->enable_vblank)
@@ -209,7 +197,7 @@
struct exynos_drm_crtc *exynos_crtc =
to_exynos_crtc(private->crtc[pipe]);
- if (exynos_crtc->dpms != DRM_MODE_DPMS_ON)
+ if (!exynos_crtc->enabled)
return;
if (exynos_crtc->ops->disable_vblank)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dpi.c b/drivers/gpu/drm/exynos/exynos_drm_dpi.c
index ced5c23..6dc328e 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dpi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dpi.c
@@ -60,7 +60,7 @@
}
static struct drm_connector_funcs exynos_dpi_connector_funcs = {
- .dpms = drm_helper_connector_dpms,
+ .dpms = drm_atomic_helper_connector_dpms,
.detect = exynos_dpi_detect,
.fill_modes = drm_helper_probe_single_connector_modes,
.destroy = exynos_dpi_connector_destroy,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index 29e3fb7..86d6894 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -201,7 +201,7 @@
* drm framework doesn't support multiple irq yet.
* we can refer to the crtc to current hardware interrupt occurred through
* this pipe value.
- * @dpms: store the crtc dpms value
+ * @enabled: if the crtc is enabled or not
* @event: vblank event that is currently queued for flip
* @ops: pointer to callbacks for exynos drm specific functionality
* @ctx: A pointer to the crtc's implementation specific context
@@ -210,7 +210,7 @@
struct drm_crtc base;
enum exynos_drm_output_type type;
unsigned int pipe;
- unsigned int dpms;
+ bool enabled;
wait_queue_head_t pending_flip_queue;
struct drm_pending_vblank_event *event;
const struct exynos_drm_crtc_ops *ops;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index e4e7f74..190f3b3 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -1458,7 +1458,7 @@
}
static struct drm_connector_funcs exynos_dsi_connector_funcs = {
- .dpms = drm_helper_connector_dpms,
+ .dpms = drm_atomic_helper_connector_dpms,
.detect = exynos_dsi_detect,
.fill_modes = drm_helper_probe_single_connector_modes,
.destroy = exynos_dsi_connector_destroy,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index 915de13..0648ba4 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -32,17 +32,6 @@
struct exynos_drm_display *display;
};
-static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode)
-{
- struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
- struct exynos_drm_display *display = exynos_encoder->display;
-
- DRM_DEBUG_KMS("encoder dpms: %d\n", mode);
-
- if (display->ops->dpms)
- display->ops->dpms(display, mode);
-}
-
static bool
exynos_drm_encoder_mode_fixup(struct drm_encoder *encoder,
const struct drm_display_mode *mode,
@@ -76,7 +65,7 @@
display->ops->mode_set(display, adjusted_mode);
}
-static void exynos_drm_encoder_commit(struct drm_encoder *encoder)
+static void exynos_drm_encoder_enable(struct drm_encoder *encoder)
{
struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
struct exynos_drm_display *display = exynos_encoder->display;
@@ -90,10 +79,13 @@
static void exynos_drm_encoder_disable(struct drm_encoder *encoder)
{
+ struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
+ struct exynos_drm_display *display = exynos_encoder->display;
struct drm_plane *plane;
struct drm_device *dev = encoder->dev;
- exynos_drm_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
+ if (display->ops->dpms)
+ display->ops->dpms(display, DRM_MODE_DPMS_OFF);
/* all planes connected to this encoder should be also disabled. */
drm_for_each_legacy_plane(plane, &dev->mode_config.plane_list) {
@@ -103,10 +95,9 @@
}
static struct drm_encoder_helper_funcs exynos_encoder_helper_funcs = {
- .dpms = exynos_drm_encoder_dpms,
.mode_fixup = exynos_drm_encoder_mode_fixup,
.mode_set = exynos_drm_encoder_mode_set,
- .commit = exynos_drm_encoder_commit,
+ .enable = exynos_drm_encoder_enable,
.disable = exynos_drm_encoder_disable,
};
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index fc3a14b..63c1536 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -385,7 +385,7 @@
}
static struct drm_connector_funcs vidi_connector_funcs = {
- .dpms = drm_helper_connector_dpms,
+ .dpms = drm_atomic_helper_connector_dpms,
.fill_modes = drm_helper_probe_single_connector_modes,
.detect = vidi_detect,
.destroy = vidi_connector_destroy,
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 471e486..8c3c27b 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -1051,7 +1051,7 @@
}
static struct drm_connector_funcs hdmi_connector_funcs = {
- .dpms = drm_helper_connector_dpms,
+ .dpms = drm_atomic_helper_connector_dpms,
.fill_modes = drm_helper_probe_single_connector_modes,
.detect = hdmi_detect,
.destroy = hdmi_connector_destroy,
@@ -2127,8 +2127,8 @@
*/
if (crtc)
funcs = crtc->helper_private;
- if (funcs && funcs->dpms)
- (*funcs->dpms)(crtc, mode);
+ if (funcs && funcs->disable)
+ (*funcs->disable)(crtc);
hdmi_poweroff(hdata);
break;