Merge tag 'drm-misc-next-2018-04-26' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for v4.18:

UAPI Changes:
- Add support for a generic plane alpha property to sun4i, rcar-du and atmel-hclcdc. (Maxime)

Core Changes:
- Stop looking at legacy plane->fb and crtc members in atomic drivers. (Ville)
- mode_valid return type fixes. (Luc)
- Handle zpos normalization in the core. (Peter)

Driver Changes:
- Implement CTM, plane alpha and generic async cursor support in vc4. (Stefan)
- Various fixes for HPD and aux chan in drm_bridge/analogix_dp. (Lin, Zain, Douglas)
- Add support for MIPI DSI to sun4i. (Maxime)

Signed-off-by: Dave Airlie <airlied@redhat.com>

# gpg: Signature made Thu 26 Apr 2018 08:21:01 PM AEST
# gpg:                using RSA key FE558C72A67013C3
# gpg: Can't check signature: public key not found
Link: https://patchwork.freedesktop.org/patch/msgid/b33da7eb-efc9-ae6f-6f69-b7acd6df6797@mblankhorst.nl

3 files changed, 36 insertions, 11 deletions

diff --git a/drivers/gpu/drm/stm/drv.c b/drivers/gpu/drm/stm/drv.c
index 9ab00a87f7cc..8698e08313e1 100644
--- a/drivers/gpu/drm/stm/drv.c
+++ b/drivers/gpu/drm/stm/drv.c
@@ -72,8 +72,6 @@ static struct drm_driver drv_driver = {
 	.gem_prime_vmap = drm_gem_cma_prime_vmap,
 	.gem_prime_vunmap = drm_gem_cma_prime_vunmap,
 	.gem_prime_mmap = drm_gem_cma_prime_mmap,
-	.enable_vblank = ltdc_crtc_enable_vblank,
-	.disable_vblank = ltdc_crtc_disable_vblank,
 };
 
 static int drv_load(struct drm_device *ddev)
diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
index 1a3277e483d5..e3121d9e4230 100644
--- a/drivers/gpu/drm/stm/ltdc.c
+++ b/drivers/gpu/drm/stm/ltdc.c
@@ -392,9 +392,6 @@ static void ltdc_crtc_update_clut(struct drm_crtc *crtc)
 	u32 val;
 	int i;
 
-	if (!crtc || !crtc->state)
-		return;
-
 	if (!crtc->state->color_mgmt_changed || !crtc->state->gamma_lut)
 		return;
 
@@ -569,9 +566,9 @@ static const struct drm_crtc_helper_funcs ltdc_crtc_helper_funcs = {
 	.atomic_disable = ltdc_crtc_atomic_disable,
 };
 
-int ltdc_crtc_enable_vblank(struct drm_device *ddev, unsigned int pipe)
+static int ltdc_crtc_enable_vblank(struct drm_crtc *crtc)
 {
-	struct ltdc_device *ldev = ddev->dev_private;
+	struct ltdc_device *ldev = crtc_to_ltdc(crtc);
 
 	DRM_DEBUG_DRIVER("\n");
 	reg_set(ldev->regs, LTDC_IER, IER_LIE);
@@ -579,9 +576,9 @@ int ltdc_crtc_enable_vblank(struct drm_device *ddev, unsigned int pipe)
 	return 0;
 }
 
-void ltdc_crtc_disable_vblank(struct drm_device *ddev, unsigned int pipe)
+static void ltdc_crtc_disable_vblank(struct drm_crtc *crtc)
 {
-	struct ltdc_device *ldev = ddev->dev_private;
+	struct ltdc_device *ldev = crtc_to_ltdc(crtc);
 
 	DRM_DEBUG_DRIVER("\n");
 	reg_clear(ldev->regs, LTDC_IER, IER_LIE);
@@ -594,6 +591,8 @@ static const struct drm_crtc_funcs ltdc_crtc_funcs = {
 	.reset = drm_atomic_helper_crtc_reset,
 	.atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
 	.atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
+	.enable_vblank = ltdc_crtc_enable_vblank,
+	.disable_vblank = ltdc_crtc_disable_vblank,
 	.gamma_set = drm_atomic_helper_legacy_gamma_set,
 };
 
@@ -727,6 +726,8 @@ static void ltdc_plane_atomic_update(struct drm_plane *plane,
 	reg_update_bits(ldev->regs, LTDC_L1CR + lofs,
 			LXCR_LEN | LXCR_CLUTEN, val);
 
+	ldev->plane_fpsi[plane->index].counter++;
+
 	mutex_lock(&ldev->err_lock);
 	if (ldev->error_status & ISR_FUIF) {
 		DRM_DEBUG_DRIVER("Fifo underrun\n");
@@ -752,6 +753,25 @@ static void ltdc_plane_atomic_disable(struct drm_plane *plane,
 			 oldstate->crtc->base.id, plane->base.id);
 }
 
+static void ltdc_plane_atomic_print_state(struct drm_printer *p,
+					  const struct drm_plane_state *state)
+{
+	struct drm_plane *plane = state->plane;
+	struct ltdc_device *ldev = plane_to_ltdc(plane);
+	struct fps_info *fpsi = &ldev->plane_fpsi[plane->index];
+	int ms_since_last;
+	ktime_t now;
+
+	now = ktime_get();
+	ms_since_last = ktime_to_ms(ktime_sub(now, fpsi->last_timestamp));
+
+	drm_printf(p, "\tuser_updates=%dfps\n",
+		   DIV_ROUND_CLOSEST(fpsi->counter * 1000, ms_since_last));
+
+	fpsi->last_timestamp = now;
+	fpsi->counter = 0;
+}
+
 static const struct drm_plane_funcs ltdc_plane_funcs = {
 	.update_plane = drm_atomic_helper_update_plane,
 	.disable_plane = drm_atomic_helper_disable_plane,
@@ -759,6 +779,7 @@ static const struct drm_plane_funcs ltdc_plane_funcs = {
 	.reset = drm_atomic_helper_plane_reset,
 	.atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
 	.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
+	.atomic_print_state = ltdc_plane_atomic_print_state,
 };
 
 static const struct drm_plane_helper_funcs ltdc_plane_helper_funcs = {
diff --git a/drivers/gpu/drm/stm/ltdc.h b/drivers/gpu/drm/stm/ltdc.h
index edb268129c54..1e16d6afb0d2 100644
--- a/drivers/gpu/drm/stm/ltdc.h
+++ b/drivers/gpu/drm/stm/ltdc.h
@@ -20,6 +20,13 @@ struct ltdc_caps {
 	bool non_alpha_only_l1; /* non-native no-alpha formats on layer 1 */
 };
 
+#define LTDC_MAX_LAYER	4
+
+struct fps_info {
+	unsigned int counter;
+	ktime_t last_timestamp;
+};
+
 struct ltdc_device {
 	void __iomem *regs;
 	struct clk *pixel_clk;	/* lcd pixel clock */
@@ -27,10 +34,9 @@ struct ltdc_device {
 	struct ltdc_caps caps;
 	u32 error_status;
 	u32 irq_status;
+	struct fps_info plane_fpsi[LTDC_MAX_LAYER];
 };
 
-int ltdc_crtc_enable_vblank(struct drm_device *dev, unsigned int pipe);
-void ltdc_crtc_disable_vblank(struct drm_device *dev, unsigned int pipe);
 int ltdc_load(struct drm_device *ddev);
 void ltdc_unload(struct drm_device *ddev);