Hi Gustavo,
On 2015년 05월 23일 00:40, Gustavo Padovan wrote:
From: Gustavo Padovan gustavo.padovan@collabora.co.uk
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
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
drivers/gpu/drm/bridge/ps8622.c | 2 +- drivers/gpu/drm/bridge/ptn3460.c | 2 +- drivers/gpu/drm/exynos/exynos_dp_core.c | 2 +- drivers/gpu/drm/exynos/exynos_drm_crtc.c | 95 ++++++++++++++++------------- drivers/gpu/drm/exynos/exynos_drm_dpi.c | 2 +- drivers/gpu/drm/exynos/exynos_drm_drv.h | 4 +- drivers/gpu/drm/exynos/exynos_drm_dsi.c | 2 +- drivers/gpu/drm/exynos/exynos_drm_encoder.c | 27 ++------ drivers/gpu/drm/exynos/exynos_drm_vidi.c | 2 +- drivers/gpu/drm/exynos/exynos_hdmi.c | 6 +- 10 files changed, 69 insertions(+), 75 deletions(-)
diff --git a/drivers/gpu/drm/bridge/ps8622.c b/drivers/gpu/drm/bridge/ps8622.c index b604326..d686235 100644 --- a/drivers/gpu/drm/bridge/ps8622.c +++ b/drivers/gpu/drm/bridge/ps8622.c @@ -499,7 +499,7 @@ static void ps8622_connector_destroy(struct drm_connector *connector) }
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 8ed3617..260bc9f 100644 --- a/drivers/gpu/drm/bridge/ptn3460.c +++ b/drivers/gpu/drm/bridge/ptn3460.c @@ -260,7 +260,7 @@ static void ptn3460_connector_destroy(struct drm_connector *connector) }
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 195fe60..c9995b1 100644 --- a/drivers/gpu/drm/exynos/exynos_dp_core.c +++ b/drivers/gpu/drm/exynos/exynos_dp_core.c @@ -954,7 +954,7 @@ static void exynos_dp_connector_destroy(struct drm_connector *connector) }
[--snip--]
static struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = {
- .dpms = exynos_drm_crtc_dpms,
- .prepare = exynos_drm_crtc_prepare,
- .commit = exynos_drm_crtc_commit,
- .enable = exynos_drm_crtc_enable,
- .disable = exynos_drm_crtc_disable, .mode_fixup = exynos_drm_crtc_mode_fixup, .mode_set = drm_helper_crtc_mode_set, .mode_set_nofb = exynos_drm_crtc_mode_set_nofb,
I think it'd be better to use atomic_flush callback to enable global dma like commit callback did. Is there any reason that you don't use atomic_begin and atomic_flush callbacks?
atomic relevant codes I looked into do as follows,
atomic_begin();
atomic_update(); /* this will call win_commit callback to set a overlay relevant registers and enable its dma channel. */
atomic_flush();
So atomic overlay updating between atomic_begin() ~ atomic_flush() will be guaranteed.
Thanks, Inki Dae
.mode_set_base = drm_helper_crtc_mode_set_base,
- .disable = exynos_drm_crtc_disable,
- .atomic_check = exynos_crtc_atomic_check,
};
[--snip--]