From: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>
Instead of having a .clock_enable callback enable the dp clock directly
from FIMD.
Signed-off-by: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/exynos/exynos_dp_core.c | 13 -----------
drivers/gpu/drm/exynos/exynos_drm_drv.h | 5 ----
drivers/gpu/drm/exynos/exynos_drm_fimd.c | 39 +++++++++++++++++---------------
3 files changed, 21 insertions(+), 36 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c
index 6794982..aa11d18 100644
--- a/drivers/gpu/drm/exynos/exynos_dp_core.c
+++ b/drivers/gpu/drm/exynos/exynos_dp_core.c
@@ -37,11 +37,6 @@
#define ctx_from_connector(c) container_of(c, struct exynos_dp_device, \
connector)
-static inline struct exynos_drm_crtc *dp_to_crtc(struct exynos_dp_device *dp)
-{
- return to_exynos_crtc(dp->encoder.crtc);
-}
-
static inline struct exynos_dp_device *encoder_to_dp(
struct drm_encoder *e)
{
@@ -1068,7 +1063,6 @@ static void exynos_dp_mode_set(struct drm_encoder *encoder,
static void exynos_dp_enable(struct drm_encoder *encoder)
{
struct exynos_dp_device *dp = encoder_to_dp(encoder);
- struct exynos_drm_crtc *crtc = dp_to_crtc(dp);
pm_runtime_get_sync(dp->dev);
@@ -1079,9 +1073,6 @@ static void exynos_dp_enable(struct drm_encoder *encoder)
}
}
- if (crtc->ops->clock_enable)
- crtc->ops->clock_enable(dp_to_crtc(dp), true);
-
phy_power_on(dp->phy);
exynos_dp_init_dp(dp);
enable_irq(dp->irq);
@@ -1091,7 +1082,6 @@ static void exynos_dp_enable(struct drm_encoder *encoder)
static void exynos_dp_disable(struct drm_encoder *encoder)
{
struct exynos_dp_device *dp = encoder_to_dp(encoder);
- struct exynos_drm_crtc *crtc = dp_to_crtc(dp);
if (dp->panel) {
if (drm_panel_disable(dp->panel)) {
@@ -1104,9 +1094,6 @@ static void exynos_dp_disable(struct drm_encoder *encoder)
flush_work(&dp->hotplug_work);
phy_power_off(dp->phy);
- if (crtc->ops->clock_enable)
- crtc->ops->clock_enable(dp_to_crtc(dp), false);
-
if (dp->panel) {
if (drm_panel_unprepare(dp->panel))
DRM_ERROR("failed to turnoff the panel\n");
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index 5f1a4d6..ee60619 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -96,10 +96,6 @@ struct exynos_drm_plane {
* @disable_plane: disable hardware specific overlay.
* @te_handler: trigger to transfer video image at the tearing effect
* synchronization signal if there is a page flip request.
- * @clock_enable: optional function enabling/disabling display domain clock,
- * called from exynos-dp driver before powering up (with
- * 'enable' argument as true) and after powering down (with
- * 'enable' as false).
*/
struct exynos_drm_crtc;
struct exynos_drm_crtc_ops {
@@ -120,7 +116,6 @@ struct exynos_drm_crtc_ops {
void (*atomic_flush)(struct exynos_drm_crtc *crtc,
struct exynos_drm_plane *plane);
void (*te_handler)(struct exynos_drm_crtc *crtc);
- void (*clock_enable)(struct exynos_drm_crtc *crtc, bool enable);
};
/*
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 0f17ae0..3cf2b80 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -573,6 +573,23 @@ static void fimd_win_set_colkey(struct fimd_context *ctx, unsigned int win)
writel(keycon1, ctx->regs + WKEYCON1_BASE(win));
}
+static void fimd_dp_clock_enable(struct exynos_drm_crtc *crtc, bool enable)
+{
+ struct fimd_context *ctx = crtc->ctx;
+ u32 val;
+
+ /*
+ * Only Exynos 5250, 5260, 5410 and 542x requires enabling DP/MIE
+ * clock. On these SoCs the bootloader may enable it but any
+ * power domain off/on will reset it to disable state.
+ */
+ if (ctx->driver_data != &exynos5_fimd_driver_data)
+ return;
+
+ val = enable ? DP_MIE_CLK_DP_ENABLE : DP_MIE_CLK_DISABLE;
+ writel(DP_MIE_CLK_DP_ENABLE, ctx->regs + DP_MIE_CLKCON);
+}
+
/**
* shadow_protect_win() - disable updating values from shadow registers at vsync
*
@@ -735,6 +752,8 @@ static void fimd_enable(struct exynos_drm_crtc *crtc)
if (test_and_clear_bit(0, &ctx->irq_flags))
fimd_enable_vblank(ctx->crtc);
+ fimd_dp_clock_enable(crtc, true);
+
fimd_commit(ctx->crtc);
}
@@ -743,6 +762,8 @@ static void fimd_disable(struct exynos_drm_crtc *crtc)
struct fimd_context *ctx = crtc->ctx;
int i;
+ fimd_dp_clock_enable(crtc, false);
+
/*
* We need to make sure that all windows are disabled before we
* suspend that connector. Otherwise we might try to scan from
@@ -814,23 +835,6 @@ static void fimd_te_handler(struct exynos_drm_crtc *crtc)
drm_crtc_handle_vblank(&ctx->crtc->base);
}
-static void fimd_dp_clock_enable(struct exynos_drm_crtc *crtc, bool enable)
-{
- struct fimd_context *ctx = crtc->ctx;
- u32 val;
-
- /*
- * Only Exynos 5250, 5260, 5410 and 542x requires enabling DP/MIE
- * clock. On these SoCs the bootloader may enable it but any
- * power domain off/on will reset it to disable state.
- */
- if (ctx->driver_data != &exynos5_fimd_driver_data)
- return;
-
- val = enable ? DP_MIE_CLK_DP_ENABLE : DP_MIE_CLK_DISABLE;
- writel(DP_MIE_CLK_DP_ENABLE, ctx->regs + DP_MIE_CLKCON);
-}
-
static const struct exynos_drm_crtc_ops fimd_crtc_ops = {
.enable = fimd_enable,
.disable = fimd_disable,
@@ -843,7 +847,6 @@ static const struct exynos_drm_crtc_ops fimd_crtc_ops = {
.disable_plane = fimd_disable_plane,
.atomic_flush = fimd_atomic_flush,
.te_handler = fimd_te_handler,
- .clock_enable = fimd_dp_clock_enable,
};
static irqreturn_t fimd_irq_handler(int irq, void *dev_id)
--
2.1.0
--
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