Merge tag 'drm-misc-next-2022-01-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

[airlied: add two missing Kconfig]

drm-misc-next for v5.18:

UAPI Changes:
- Fix invalid IN_FORMATS blob when plane->format_mod_supported is NULL.

Cross-subsystem Changes:
- Assorted dt bindings updates.
- Fix vga16fb vga checking on x86.
- Fix extra semicolon in rwsem.h's _down_write_nest_lock.
- Assorted small fixes to agp and fbdev drivers.
- Fix oops in creating a udmabuf with 0 pages.
- Hot-unplug firmware fb devices on forced removal
- Reqquest memory region in simplefb and simpledrm, and don't make the ioresource as busy.

Core Changes:
- Mock a drm_plane in drm-plane-helper selftest.
- Assorted bug fixes to device logging, dbi.
- Use DP helper for sink count in mst.
- Assorted documentation fixes.
- Assorted small fixes.
- Move DP headers to drm/dp, and add a drm dp helper module.
- Move the buddy allocator from i915 to common drm.
- Add simple pci and platform module init macros to remove a lot of boilerplate from some drivers.
- Support microsoft extension for HMDs and specialized monitors.
- Improve edid parser's deep color handling.
- Add type 7 timing support to edid parser.
- Add a weak backpointer to the ttm_bo from ttm_resource
- Add 3 eDP panels.

Driver Changes:
- Add support for HDMI and JZ4780 to ingenic.
- Add support for higher DP/eDP bitrates to nouveau.
- Assorted driver fixes to tilcdc, vmwgfx, sn65dsi83, meson, stm, panfrost, v3d, gma500, vc4, virtio, mgag200, ast, radeon, amdgpu, nouveau, various bridge drivers.
- Convert and revert exynos dsi support to bridge driver.
- Add vcc supply regulator support for sn65dsi83.
- More conversion of bridge/chipone-icn6211 to atomic.
- Remove conflicting fb's from stm, and add support for new hw version.
- Add device link in parade-ps8640 to fix suspend/resume.
- Update Boe-tv110c9m init sequence.
- Add wide screen support to AST2600.
- Fix omapdrm implicit dma_buf fencing.
- Add support for multiple overlay planes to vkms.
- Convert bridge/anx7625 to atomic, add HDCP support,
  add eld support for audio, and fix HPD.
- Add driver for ChromeOS privacy screen.
- Handover display from firmware to vc4 more gracefully, and support nomodeset.
- Add flexible and ycbcr pixel formats to stm/ltdc.
- Convert exynos mipi dsi to atomic.
- Add initial dual core group GPUs support to panfrost.
- No longer add exclusive fence in amdgpu as shared fence.
- Add CSC and full range supoprt to vc4.
- Shutdown the display on system shutdown and unbind.
- Add Multi-Inno Technology MI0700S4T-6 simple panel.

Signed-off-by: Dave Airlie <[email protected]>

From: Maarten Lankhorst <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

1 files changed, 78 insertions, 54 deletions

diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 053fbaf765ca..e3121eb5f605 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -104,6 +104,15 @@ static bool vc4_hdmi_mode_needs_scrambling(const struct drm_display_mode *mode)
 	return (mode->clock * 1000) > HDMI_14_MAX_TMDS_CLK;
 }
 
+static bool vc4_hdmi_is_full_range_rgb(struct vc4_hdmi *vc4_hdmi,
+				       const struct drm_display_mode *mode)
+{
+	struct vc4_hdmi_encoder *vc4_encoder = &vc4_hdmi->encoder;
+
+	return !vc4_encoder->hdmi_monitor ||
+		drm_default_rgb_quant_range(mode) == HDMI_QUANTIZATION_RANGE_FULL;
+}
+
 static int vc4_hdmi_debugfs_regs(struct seq_file *m, void *unused)
 {
 	struct drm_info_node *node = (struct drm_info_node *)m->private;
@@ -481,7 +490,6 @@ static void vc4_hdmi_write_infoframe(struct drm_encoder *encoder,
 static void vc4_hdmi_set_avi_infoframe(struct drm_encoder *encoder)
 {
 	struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder);
-	struct vc4_hdmi_encoder *vc4_encoder = to_vc4_hdmi_encoder(encoder);
 	struct drm_connector *connector = &vc4_hdmi->connector;
 	struct drm_connector_state *cstate = connector->state;
 	const struct drm_display_mode *mode = &vc4_hdmi->saved_adjusted_mode;
@@ -499,10 +507,10 @@ static void vc4_hdmi_set_avi_infoframe(struct drm_encoder *encoder)
 
 	drm_hdmi_avi_infoframe_quant_range(&frame.avi,
 					   connector, mode,
-					   vc4_encoder->limited_rgb_range ?
-					   HDMI_QUANTIZATION_RANGE_LIMITED :
-					   HDMI_QUANTIZATION_RANGE_FULL);
-	drm_hdmi_avi_infoframe_colorspace(&frame.avi, cstate);
+					   vc4_hdmi_is_full_range_rgb(vc4_hdmi, mode) ?
+					   HDMI_QUANTIZATION_RANGE_FULL :
+					   HDMI_QUANTIZATION_RANGE_LIMITED);
+	drm_hdmi_avi_infoframe_colorimetry(&frame.avi, cstate);
 	drm_hdmi_avi_infoframe_bars(&frame.avi, cstate);
 
 	vc4_hdmi_write_infoframe(encoder, &frame);
@@ -726,7 +734,9 @@ static void vc4_hdmi_encoder_disable(struct drm_encoder *encoder)
 	mutex_unlock(&vc4_hdmi->mutex);
 }
 
-static void vc4_hdmi_csc_setup(struct vc4_hdmi *vc4_hdmi, bool enable)
+static void vc4_hdmi_csc_setup(struct vc4_hdmi *vc4_hdmi,
+			       struct drm_connector_state *state,
+			       const struct drm_display_mode *mode)
 {
 	unsigned long flags;
 	u32 csc_ctl;
@@ -736,7 +746,7 @@ static void vc4_hdmi_csc_setup(struct vc4_hdmi *vc4_hdmi, bool enable)
 	csc_ctl = VC4_SET_FIELD(VC4_HD_CSC_CTL_ORDER_BGR,
 				VC4_HD_CSC_CTL_ORDER);
 
-	if (enable) {
+	if (!vc4_hdmi_is_full_range_rgb(vc4_hdmi, mode)) {
 		/* CEA VICs other than #1 requre limited range RGB
 		 * output unless overridden by an AVI infoframe.
 		 * Apply a colorspace conversion to squash 0-255 down
@@ -766,44 +776,67 @@ static void vc4_hdmi_csc_setup(struct vc4_hdmi *vc4_hdmi, bool enable)
 	spin_unlock_irqrestore(&vc4_hdmi->hw_lock, flags);
 }
 
-static void vc5_hdmi_csc_setup(struct vc4_hdmi *vc4_hdmi, bool enable)
+/*
+ * If we need to output Full Range RGB, then use the unity matrix
+ *
+ * [ 1      0      0      0]
+ * [ 0      1      0      0]
+ * [ 0      0      1      0]
+ *
+ * Matrix is signed 2p13 fixed point, with signed 9p6 offsets
+ */
+static const u16 vc5_hdmi_csc_full_rgb_unity[3][4] = {
+	{ 0x2000, 0x0000, 0x0000, 0x0000 },
+	{ 0x0000, 0x2000, 0x0000, 0x0000 },
+	{ 0x0000, 0x0000, 0x2000, 0x0000 },
+};
+
+/*
+ * CEA VICs other than #1 require limited range RGB output unless
+ * overridden by an AVI infoframe. Apply a colorspace conversion to
+ * squash 0-255 down to 16-235. The matrix here is:
+ *
+ * [ 0.8594 0      0      16]
+ * [ 0      0.8594 0      16]
+ * [ 0      0      0.8594 16]
+ *
+ * Matrix is signed 2p13 fixed point, with signed 9p6 offsets
+ */
+static const u16 vc5_hdmi_csc_full_rgb_to_limited_rgb[3][4] = {
+	{ 0x1b80, 0x0000, 0x0000, 0x0400 },
+	{ 0x0000, 0x1b80, 0x0000, 0x0400 },
+	{ 0x0000, 0x0000, 0x1b80, 0x0400 },
+};
+
+static void vc5_hdmi_set_csc_coeffs(struct vc4_hdmi *vc4_hdmi,
+				    const u16 coeffs[3][4])
 {
-	unsigned long flags;
-	u32 csc_ctl;
+	lockdep_assert_held(&vc4_hdmi->hw_lock);
+
+	HDMI_WRITE(HDMI_CSC_12_11, (coeffs[0][1] << 16) | coeffs[0][0]);
+	HDMI_WRITE(HDMI_CSC_14_13, (coeffs[0][3] << 16) | coeffs[0][2]);
+	HDMI_WRITE(HDMI_CSC_22_21, (coeffs[1][1] << 16) | coeffs[1][0]);
+	HDMI_WRITE(HDMI_CSC_24_23, (coeffs[1][3] << 16) | coeffs[1][2]);
+	HDMI_WRITE(HDMI_CSC_32_31, (coeffs[2][1] << 16) | coeffs[2][0]);
+	HDMI_WRITE(HDMI_CSC_34_33, (coeffs[2][3] << 16) | coeffs[2][2]);
+}
 
-	csc_ctl = 0x07;	/* RGB_CONVERT_MODE = custom matrix, || USE_RGB_TO_YCBCR */
+static void vc5_hdmi_csc_setup(struct vc4_hdmi *vc4_hdmi,
+			       struct drm_connector_state *state,
+			       const struct drm_display_mode *mode)
+{
+	unsigned long flags;
+	u32 csc_ctl = VC5_MT_CP_CSC_CTL_ENABLE | VC4_SET_FIELD(VC4_HD_CSC_CTL_MODE_CUSTOM,
+							       VC5_MT_CP_CSC_CTL_MODE);
 
 	spin_lock_irqsave(&vc4_hdmi->hw_lock, flags);
 
-	if (enable) {
-		/* CEA VICs other than #1 requre limited range RGB
-		 * output unless overridden by an AVI infoframe.
-		 * Apply a colorspace conversion to squash 0-255 down
-		 * to 16-235.  The matrix here is:
-		 *
-		 * [ 0.8594 0      0      16]
-		 * [ 0      0.8594 0      16]
-		 * [ 0      0      0.8594 16]
-		 * [ 0      0      0       1]
-		 * Matrix is signed 2p13 fixed point, with signed 9p6 offsets
-		 */
-		HDMI_WRITE(HDMI_CSC_12_11, (0x0000 << 16) | 0x1b80);
-		HDMI_WRITE(HDMI_CSC_14_13, (0x0400 << 16) | 0x0000);
-		HDMI_WRITE(HDMI_CSC_22_21, (0x1b80 << 16) | 0x0000);
-		HDMI_WRITE(HDMI_CSC_24_23, (0x0400 << 16) | 0x0000);
-		HDMI_WRITE(HDMI_CSC_32_31, (0x0000 << 16) | 0x0000);
-		HDMI_WRITE(HDMI_CSC_34_33, (0x0400 << 16) | 0x1b80);
-	} else {
-		/* Still use the matrix for full range, but make it unity.
-		 * Matrix is signed 2p13 fixed point, with signed 9p6 offsets
-		 */
-		HDMI_WRITE(HDMI_CSC_12_11, (0x0000 << 16) | 0x2000);
-		HDMI_WRITE(HDMI_CSC_14_13, (0x0000 << 16) | 0x0000);
-		HDMI_WRITE(HDMI_CSC_22_21, (0x2000 << 16) | 0x0000);
-		HDMI_WRITE(HDMI_CSC_24_23, (0x0000 << 16) | 0x0000);
-		HDMI_WRITE(HDMI_CSC_32_31, (0x0000 << 16) | 0x0000);
-		HDMI_WRITE(HDMI_CSC_34_33, (0x0000 << 16) | 0x2000);
-	}
+	HDMI_WRITE(HDMI_VEC_INTERFACE_XBAR, 0x354021);
+
+	if (!vc4_hdmi_is_full_range_rgb(vc4_hdmi, mode))
+		vc5_hdmi_set_csc_coeffs(vc4_hdmi, vc5_hdmi_csc_full_rgb_to_limited_rgb);
+	else
+		vc5_hdmi_set_csc_coeffs(vc4_hdmi, vc5_hdmi_csc_full_rgb_unity);
 
 	HDMI_WRITE(HDMI_CSC_CTL, csc_ctl);
 
@@ -889,7 +922,6 @@ static void vc5_hdmi_set_timings(struct vc4_hdmi *vc4_hdmi,
 
 	spin_lock_irqsave(&vc4_hdmi->hw_lock, flags);
 
-	HDMI_WRITE(HDMI_VEC_INTERFACE_XBAR, 0x354021);
 	HDMI_WRITE(HDMI_HORZA,
 		   (vsync_pos ? VC5_HDMI_HORZA_VPOS : 0) |
 		   (hsync_pos ? VC5_HDMI_HORZA_HPOS : 0) |
@@ -1113,24 +1145,16 @@ static void vc4_hdmi_encoder_pre_crtc_enable(struct drm_encoder *encoder,
 					     struct drm_atomic_state *state)
 {
 	struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder);
+	struct drm_connector *connector = &vc4_hdmi->connector;
 	struct drm_display_mode *mode = &vc4_hdmi->saved_adjusted_mode;
-	struct vc4_hdmi_encoder *vc4_encoder = to_vc4_hdmi_encoder(encoder);
+	struct drm_connector_state *conn_state =
+		drm_atomic_get_new_connector_state(state, connector);
 	unsigned long flags;
 
 	mutex_lock(&vc4_hdmi->mutex);
 
-	if (vc4_encoder->hdmi_monitor &&
-	    drm_default_rgb_quant_range(mode) == HDMI_QUANTIZATION_RANGE_LIMITED) {
-		if (vc4_hdmi->variant->csc_setup)
-			vc4_hdmi->variant->csc_setup(vc4_hdmi, true);
-
-		vc4_encoder->limited_rgb_range = true;
-	} else {
-		if (vc4_hdmi->variant->csc_setup)
-			vc4_hdmi->variant->csc_setup(vc4_hdmi, false);
-
-		vc4_encoder->limited_rgb_range = false;
-	}
+	if (vc4_hdmi->variant->csc_setup)
+		vc4_hdmi->variant->csc_setup(vc4_hdmi, conn_state, mode);
 
 	spin_lock_irqsave(&vc4_hdmi->hw_lock, flags);
 	HDMI_WRITE(HDMI_FIFO_CTL, VC4_HDMI_FIFO_CTL_MASTER_SLAVE_N);