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drm/tegra: Update to Linux v6.13

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Update the Tegra DRM driver to align with Linux v6.13. A function
pointer 'fbdev_probe' was added to the drm_driver structure in Linux
v6.13 and so use conftest to detect this and make the necessary changes
to the Tegra DRM driver.

JIRA LINQPJ14-47

Change-Id: I0120fe9f13bc39446ce4e0a8827eb5d8b42a082c
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3333836
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Jon Hunter
2025-04-03 14:04:56 +01:00
parent 6be033ba85
commit 540737a228
6 changed files with 61 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/gpu/drm/tegra/drm.c
View File

@@ -23,6 +23,9 @@
#endif
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#if defined(NV_DRM_DRM_CLIENT_SETUP_H_PRESENT) /* Linux v6.13 */
#include <drm/drm_client_setup.h>
#endif
#include <drm/drm_debugfs.h>
#include <drm/drm_drv.h>
#include <drm/drm_fourcc.h>
@@ -743,6 +746,10 @@ static const struct drm_driver tegra_drm_driver = {
.dumb_create = tegra_bo_dumb_create,
#if defined(NV_DRM_DRIVER_HAS_FBDEV_PROBE) /* Linux v6.13 */
TEGRA_FBDEV_DRIVER_OPS,
#endif
.ioctls = tegra_drm_ioctls,
.num_ioctls = ARRAY_SIZE(tegra_drm_ioctls),
.fops = &tegra_drm_fops,
@@ -1199,7 +1206,11 @@ static int host1x_drm_probe(struct host1x_device *dev)
if (err < 0)
goto hub;
#if defined(NV_DRM_DRIVER_HAS_FBDEV_PROBE) /* Linux v6.13 */
drm_client_setup(drm, NULL);
#else
tegra_fbdev_setup(drm);
#endif
return 0;

15
drivers/gpu/drm/tegra/drm.h
View File

@@ -36,6 +36,9 @@
/* XXX move to include/uapi/drm/drm_fourcc.h? */
#define DRM_FORMAT_MOD_NVIDIA_SECTOR_LAYOUT BIT_ULL(22)
struct drm_fb_helper;
struct drm_fb_helper_surface_size;
struct edid;
struct reset_control;
@@ -220,12 +223,24 @@ struct drm_framebuffer *tegra_fb_create(struct drm_device *drm,
struct drm_file *file,
const struct drm_mode_fb_cmd2 *cmd);
#if defined(NV_DRM_DRIVER_HAS_FBDEV_PROBE) /* Linux v6.13 */
#ifdef CONFIG_DRM_FBDEV_EMULATION
int tegra_fbdev_driver_fbdev_probe(struct drm_fb_helper *helper,
struct drm_fb_helper_surface_size *sizes);
#define TEGRA_FBDEV_DRIVER_OPS \
.fbdev_probe = tegra_fbdev_driver_fbdev_probe
#else
#define TEGRA_FBDEV_DRIVER_OPS \
.fbdev_probe = NULL
#endif
#else
#ifdef CONFIG_DRM_FBDEV_EMULATION
void tegra_fbdev_setup(struct drm_device *drm);
#else
static inline void tegra_fbdev_setup(struct drm_device *drm)
{ }
#endif
#endif /* NV_DRM_DRIVER_HAS_FBDEV_PROBE */
#ifdef CONFIG_DRM_TEGRA_HAVE_DISPLAY
extern struct platform_driver tegra_display_hub_driver;

13
drivers/gpu/drm/tegra/fbdev.c
View File

@@ -85,8 +85,16 @@ static const struct fb_ops tegra_fb_ops = {
.fb_destroy = tegra_fbdev_fb_destroy,
};
#if defined(NV_DRM_DRIVER_HAS_FBDEV_PROBE) /* Linux v6.13 */
static const struct drm_fb_helper_funcs tegra_fbdev_helper_funcs = {
};
int tegra_fbdev_driver_fbdev_probe(struct drm_fb_helper *helper,
struct drm_fb_helper_surface_size *sizes)
#else
static int tegra_fbdev_probe(struct drm_fb_helper *helper,
struct drm_fb_helper_surface_size *sizes)
#endif
{
struct tegra_drm *tegra = helper->dev->dev_private;
struct drm_device *drm = helper->dev;
@@ -135,6 +143,9 @@ static int tegra_fbdev_probe(struct drm_fb_helper *helper,
return PTR_ERR(fb);
}
#if defined(NV_DRM_DRIVER_HAS_FBDEV_PROBE) /* Linux v6.13 */
helper->funcs = &tegra_fbdev_helper_funcs;
#endif
helper->fb = fb;
#if defined(NV_DRM_FB_HELPER_STRUCT_HAS_INFO_ARG) /* Linux v6.2 */
helper->info = info;
@@ -175,6 +186,7 @@ destroy:
return err;
}
#if !defined(NV_DRM_DRIVER_HAS_FBDEV_PROBE) /* Linux v6.13 */
static const struct drm_fb_helper_funcs tegra_fb_helper_funcs = {
.fb_probe = tegra_fbdev_probe,
};
@@ -288,3 +300,4 @@ err_drm_client_init:
#endif
kfree(helper);
}
#endif

2
drivers/gpu/drm/tegra/hdmi.c
View File

@@ -439,7 +439,7 @@ tegra_hdmi_get_audio_config(unsigned int audio_freq, unsigned int pix_clock,
static void tegra_hdmi_setup_audio_fs_tables(struct tegra_hdmi *hdmi)
{
const unsigned int freqs[] = {
static const unsigned int freqs[] = {
32000, 44100, 48000, 88200, 96000, 176400, 192000
};
unsigned int i;