From 50ba0232fd5312410f1b65247e774244f89a628e Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 18 May 2024 20:50:36 +0200
Subject: Merging upstream version 6.8.9.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 drivers/gpu/drm/omapdrm/dss/dispc.c |  4 ++--
 drivers/gpu/drm/omapdrm/dss/dss.c   |  5 +++--
 drivers/gpu/drm/omapdrm/omap_gem.c  | 14 ++++++++++----
 3 files changed, 15 insertions(+), 8 deletions(-)

(limited to 'drivers/gpu/drm/omapdrm')

diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c b/drivers/gpu/drm/omapdrm/dss/dispc.c
index c26aab4939..993691b3cc 100644
--- a/drivers/gpu/drm/omapdrm/dss/dispc.c
+++ b/drivers/gpu/drm/omapdrm/dss/dispc.c
@@ -22,11 +22,11 @@
 #include <linux/hardirq.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
+#include <linux/property.h>
 #include <linux/sizes.h>
 #include <linux/mfd/syscon.h>
 #include <linux/regmap.h>
 #include <linux/of.h>
-#include <linux/of_device.h>
 #include <linux/component.h>
 #include <linux/sys_soc.h>
 #include <drm/drm_fourcc.h>
@@ -4765,7 +4765,7 @@ static int dispc_bind(struct device *dev, struct device *master, void *data)
 	if (soc)
 		dispc->feat = soc->data;
 	else
-		dispc->feat = of_match_device(dispc_of_match, &pdev->dev)->data;
+		dispc->feat = device_get_match_data(&pdev->dev);
 
 	r = dispc_errata_i734_wa_init(dispc);
 	if (r)
diff --git a/drivers/gpu/drm/omapdrm/dss/dss.c b/drivers/gpu/drm/omapdrm/dss/dss.c
index 02955f9768..988888e164 100644
--- a/drivers/gpu/drm/omapdrm/dss/dss.c
+++ b/drivers/gpu/drm/omapdrm/dss/dss.c
@@ -22,12 +22,13 @@
 #include <linux/pinctrl/consumer.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
+#include <linux/property.h>
 #include <linux/gfp.h>
 #include <linux/sizes.h>
 #include <linux/mfd/syscon.h>
 #include <linux/regmap.h>
 #include <linux/of.h>
-#include <linux/of_device.h>
+#include <linux/of_platform.h>
 #include <linux/of_graph.h>
 #include <linux/regulator/consumer.h>
 #include <linux/suspend.h>
@@ -1445,7 +1446,7 @@ static int dss_probe(struct platform_device *pdev)
 	if (soc)
 		dss->feat = soc->data;
 	else
-		dss->feat = of_match_device(dss_of_match, &pdev->dev)->data;
+		dss->feat = device_get_match_data(&pdev->dev);
 
 	/* Map I/O registers, get and setup clocks. */
 	dss->base = devm_platform_ioremap_resource(pdev, 0);
diff --git a/drivers/gpu/drm/omapdrm/omap_gem.c b/drivers/gpu/drm/omapdrm/omap_gem.c
index c48fa531ca..3421e83892 100644
--- a/drivers/gpu/drm/omapdrm/omap_gem.c
+++ b/drivers/gpu/drm/omapdrm/omap_gem.c
@@ -48,7 +48,7 @@ struct omap_gem_object {
 	 *   OMAP_BO_MEM_DMA_API flag set)
 	 *
 	 * - buffers imported from dmabuf (with the OMAP_BO_MEM_DMABUF flag set)
-	 *   if they are physically contiguous (when sgt->orig_nents == 1)
+	 *   if they are physically contiguous
 	 *
 	 * - buffers mapped through the TILER when pin_cnt is not zero, in which
 	 *   case the DMA address points to the TILER aperture
@@ -148,12 +148,18 @@ u64 omap_gem_mmap_offset(struct drm_gem_object *obj)
 	return drm_vma_node_offset_addr(&obj->vma_node);
 }
 
+static bool omap_gem_sgt_is_contiguous(struct sg_table *sgt, size_t size)
+{
+	return !(drm_prime_get_contiguous_size(sgt) < size);
+}
+
 static bool omap_gem_is_contiguous(struct omap_gem_object *omap_obj)
 {
 	if (omap_obj->flags & OMAP_BO_MEM_DMA_API)
 		return true;
 
-	if ((omap_obj->flags & OMAP_BO_MEM_DMABUF) && omap_obj->sgt->nents == 1)
+	if ((omap_obj->flags & OMAP_BO_MEM_DMABUF) &&
+	    omap_gem_sgt_is_contiguous(omap_obj->sgt, omap_obj->base.size))
 		return true;
 
 	return false;
@@ -1385,7 +1391,7 @@ struct drm_gem_object *omap_gem_new_dmabuf(struct drm_device *dev, size_t size,
 	union omap_gem_size gsize;
 
 	/* Without a DMM only physically contiguous buffers can be supported. */
-	if (sgt->orig_nents != 1 && !priv->has_dmm)
+	if (!omap_gem_sgt_is_contiguous(sgt, size) && !priv->has_dmm)
 		return ERR_PTR(-EINVAL);
 
 	gsize.bytes = PAGE_ALIGN(size);
@@ -1399,7 +1405,7 @@ struct drm_gem_object *omap_gem_new_dmabuf(struct drm_device *dev, size_t size,
 
 	omap_obj->sgt = sgt;
 
-	if (sgt->orig_nents == 1) {
+	if (omap_gem_sgt_is_contiguous(sgt, size)) {
 		omap_obj->dma_addr = sg_dma_address(sgt->sgl);
 	} else {
 		/* Create pages list from sgt */
-- 
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