Merge tag 'drm-misc-next-2025-12-01-1' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next

Extra drm-misc-next for v6.19-rc1:

UAPI Changes:
- Add support for drm colorop pipeline.
- Add COLOR PIPELINE plane property.
- Add DRM_CLIENT_CAP_PLANE_COLOR_PIPELINE.

Cross-subsystem Changes:
- Attempt to use higher order mappings in system heap allocator.
- Always taint kernel with sw-sync.

Core Changes:
- Small fixes to drm/gem.
- Support emergency restore to drm-client.
- Allocate and release fb_info in single place.
- Rework ttm pipelined eviction fence handling.

Driver Changes:
- Support the drm color pipeline in vkms, amdgfx.
- Add NVJPG driver for tegra.
- Assorted small fixes and updates to rockchip, bridge/dw-hdmi-qp,
  panthor.
- Add ASL CS5263 DP-to-HDMI simple bridge.
- Add and improve support for G LD070WX3-SL01 MIPI DSI, Samsung LTL106AL0,
  Samsung LTL106AL01, Raystar RFF500F-AWH-DNN, Winstar WF70A8SYJHLNGA,
  Wanchanglong w552946aaa, Samsung SOFEF00, Lenovo X13s panel.
- Add support for it66122 to it66121.
- Support mali-G1 gpu in panthor.

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

From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patch.msgid.link/aa5cbd50-7676-4a59-bbed-e8428af86804@linux.intel.com

1 files changed, 47 insertions, 9 deletions

diff --git a/drivers/gpu/host1x/hw/intr_hw.c b/drivers/gpu/host1x/hw/intr_hw.c
index 415f8d7e4202..bd5b5ef62f35 100644
--- a/drivers/gpu/host1x/hw/intr_hw.c
+++ b/drivers/gpu/host1x/hw/intr_hw.c
@@ -11,26 +11,64 @@
 #include "../intr.h"
 #include "../dev.h"
 
+static void process_32_syncpts(struct host1x *host, unsigned long val, u32 reg_offset)
+{
+	unsigned int id;
+
+	if (!val)
+		return;
+
+	host1x_sync_writel(host, val, HOST1X_SYNC_SYNCPT_THRESH_INT_DISABLE(reg_offset));
+	host1x_sync_writel(host, val, HOST1X_SYNC_SYNCPT_THRESH_CPU0_INT_STATUS(reg_offset));
+
+	for_each_set_bit(id, &val, 32)
+		host1x_intr_handle_interrupt(host, reg_offset * 32 + id);
+}
+
 static irqreturn_t syncpt_thresh_isr(int irq, void *dev_id)
 {
 	struct host1x_intr_irq_data *irq_data = dev_id;
 	struct host1x *host = irq_data->host;
 	unsigned long reg;
-	unsigned int i, id;
+	unsigned int i;
 
+#if !defined(CONFIG_64BIT)
 	for (i = irq_data->offset; i < DIV_ROUND_UP(host->info->nb_pts, 32);
 	     i += host->num_syncpt_irqs) {
 		reg = host1x_sync_readl(host,
 			HOST1X_SYNC_SYNCPT_THRESH_CPU0_INT_STATUS(i));
 
-		host1x_sync_writel(host, reg,
-			HOST1X_SYNC_SYNCPT_THRESH_INT_DISABLE(i));
-		host1x_sync_writel(host, reg,
+		process_32_syncpts(host, reg, i);
+	}
+#elif HOST1X_HW == 6 || HOST1X_HW == 7
+	/*
+	 * Tegra186 and Tegra194 have the first INT_STATUS register not 64-bit aligned,
+	 * and only have one interrupt line.
+	 */
+	reg = host1x_sync_readl(host, HOST1X_SYNC_SYNCPT_THRESH_CPU0_INT_STATUS(0));
+	process_32_syncpts(host, reg, 0);
+
+	for (i = 1; i < (host->info->nb_pts / 32) - 1; i += 2) {
+		reg = host1x_sync_readq(host,
 			HOST1X_SYNC_SYNCPT_THRESH_CPU0_INT_STATUS(i));
 
-		for_each_set_bit(id, &reg, 32)
-			host1x_intr_handle_interrupt(host, i * 32 + id);
+		process_32_syncpts(host, lower_32_bits(reg), i);
+		process_32_syncpts(host, upper_32_bits(reg), i + 1);
+	}
+
+	reg = host1x_sync_readl(host, HOST1X_SYNC_SYNCPT_THRESH_CPU0_INT_STATUS(i));
+	process_32_syncpts(host, reg, i);
+#else
+	/* All 64-bit capable SoCs have number of syncpoints divisible by 64 */
+	for (i = irq_data->offset; i < DIV_ROUND_UP(host->info->nb_pts, 64);
+	     i += host->num_syncpt_irqs) {
+		reg = host1x_sync_readq(host,
+			HOST1X_SYNC_SYNCPT_THRESH_CPU0_INT_STATUS(i * 2));
+
+		process_32_syncpts(host, lower_32_bits(reg), i * 2 + 0);
+		process_32_syncpts(host, upper_32_bits(reg), i * 2 + 1);
 	}
+#endif
 
 	return IRQ_HANDLED;
 }
@@ -68,12 +106,12 @@ host1x_intr_init_host_sync(struct host1x *host, u32 cpm)
 
 	/*
 	 * Program threshold interrupt destination among 8 lines per VM,
-	 * per syncpoint. For each group of 32 syncpoints (corresponding to one
-	 * interrupt status register), direct to one interrupt line, going
+	 * per syncpoint. For each group of 64 syncpoints (corresponding to two
+	 * interrupt status registers), direct to one interrupt line, going
 	 * around in a round robin fashion.
 	 */
 	for (id = 0; id < host->info->nb_pts; id++) {
-		u32 reg_offset = id / 32;
+		u32 reg_offset = id / 64;
 		u32 irq_index = reg_offset % host->num_syncpt_irqs;
 
 		host1x_sync_writel(host, irq_index, HOST1X_SYNC_SYNCPT_INTR_DEST(id));