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Merge tag 'drm-misc-fixes-2024-06-07' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes

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drm-misc-fixes for v6.10-rc3:
- Robustness fixes for vmwgfx.
- Error check for of_drm_get_panel_orientation failing in
  sitronix-st7789v.

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/d5645d00-a8cf-47d9-a2a0-4ff55842fc7d@linux.intel.com
This commit is contained in:
Dave Airlie 2024-06-07 08:37:25 +10:00
parent 2d42183110 5703fc058e
commit 26033424ed
6 changed files with 74 additions and 44 deletions
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4
drivers/gpu/drm/panel/panel-sitronix-st7789v.c
View file

@ -643,7 +643,9 @@ static int st7789v_probe(struct spi_device *spi)
if (ret)
return dev_err_probe(dev, ret, "Failed to get backlight\n");
of_drm_get_panel_orientation(spi->dev.of_node, &ctx->orientation);
ret = of_drm_get_panel_orientation(spi->dev.of_node, &ctx->orientation);
if (ret)
return dev_err_probe(&spi->dev, ret, "Failed to get orientation\n");
drm_panel_add(&ctx->panel);

19
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
View file

@ -746,7 +746,7 @@ static int vmw_setup_pci_resources(struct vmw_private *dev,
dev->vram_size = pci_resource_len(pdev, 2);
drm_info(&dev->drm,
"Register MMIO at 0x%pa size is %llu kiB\n",
"Register MMIO at 0x%pa size is %llu KiB\n",
&rmmio_start, (uint64_t)rmmio_size / 1024);
dev->rmmio = devm_ioremap(dev->drm.dev,
rmmio_start,
@ -765,7 +765,7 @@ static int vmw_setup_pci_resources(struct vmw_private *dev,
fifo_size = pci_resource_len(pdev, 2);
drm_info(&dev->drm,
"FIFO at %pa size is %llu kiB\n",
"FIFO at %pa size is %llu KiB\n",
&fifo_start, (uint64_t)fifo_size / 1024);
dev->fifo_mem = devm_memremap(dev->drm.dev,
fifo_start,
@ -790,7 +790,7 @@ static int vmw_setup_pci_resources(struct vmw_private *dev,
* SVGA_REG_VRAM_SIZE.
*/
drm_info(&dev->drm,
"VRAM at %pa size is %llu kiB\n",
"VRAM at %pa size is %llu KiB\n",
&dev->vram_start, (uint64_t)dev->vram_size / 1024);
return 0;
@ -960,13 +960,6 @@ static int vmw_driver_load(struct vmw_private *dev_priv, u32 pci_id)
vmw_read(dev_priv,
SVGA_REG_SUGGESTED_GBOBJECT_MEM_SIZE_KB);
/*
* Workaround for low memory 2D VMs to compensate for the
* allocation taken by fbdev
*/
if (!(dev_priv->capabilities & SVGA_CAP_3D))
mem_size *= 3;
dev_priv->max_mob_pages = mem_size * 1024 / PAGE_SIZE;
dev_priv->max_primary_mem =
vmw_read(dev_priv, SVGA_REG_MAX_PRIMARY_MEM);
@ -991,13 +984,13 @@ static int vmw_driver_load(struct vmw_private *dev_priv, u32 pci_id)
dev_priv->max_primary_mem = dev_priv->vram_size;
}
drm_info(&dev_priv->drm,
"Legacy memory limits: VRAM = %llu kB, FIFO = %llu kB, surface = %u kB\n",
"Legacy memory limits: VRAM = %llu KiB, FIFO = %llu KiB, surface = %u KiB\n",
(u64)dev_priv->vram_size / 1024,
(u64)dev_priv->fifo_mem_size / 1024,
dev_priv->memory_size / 1024);
drm_info(&dev_priv->drm,
"MOB limits: max mob size = %u kB, max mob pages = %u\n",
"MOB limits: max mob size = %u KiB, max mob pages = %u\n",
dev_priv->max_mob_size / 1024, dev_priv->max_mob_pages);
ret = vmw_dma_masks(dev_priv);
@ -1015,7 +1008,7 @@ static int vmw_driver_load(struct vmw_private *dev_priv, u32 pci_id)
(unsigned)dev_priv->max_gmr_pages);
}
drm_info(&dev_priv->drm,
"Maximum display memory size is %llu kiB\n",
"Maximum display memory size is %llu KiB\n",
(uint64_t)dev_priv->max_primary_mem / 1024);
/* Need mmio memory to check for fifo pitchlock cap. */

3
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
View file

@ -1043,9 +1043,6 @@ void vmw_kms_cursor_snoop(struct vmw_surface *srf,
int vmw_kms_write_svga(struct vmw_private *vmw_priv,
unsigned width, unsigned height, unsigned pitch,
unsigned bpp, unsigned depth);
bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
uint32_t pitch,
uint32_t height);
int vmw_kms_present(struct vmw_private *dev_priv,
struct drm_file *file_priv,
struct vmw_framebuffer *vfb,

4
drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c
View file

@ -94,14 +94,14 @@ static int vmw_gmrid_man_get_node(struct ttm_resource_manager *man,
} else
new_max_pages = gman->max_gmr_pages * 2;
if (new_max_pages > gman->max_gmr_pages && new_max_pages >= gman->used_gmr_pages) {
DRM_WARN("vmwgfx: increasing guest mob limits to %u kB.\n",
DRM_WARN("vmwgfx: increasing guest mob limits to %u KiB.\n",
((new_max_pages) << (PAGE_SHIFT - 10)));
gman->max_gmr_pages = new_max_pages;
} else {
char buf[256];
snprintf(buf, sizeof(buf),
"vmwgfx, error: guest graphics is out of memory (mob limit at: %ukB).\n",
"vmwgfx, error: guest graphics is out of memory (mob limit at: %u KiB).\n",
((gman->max_gmr_pages) << (PAGE_SHIFT - 10)));
vmw_host_printf(buf);
DRM_WARN("%s", buf);

28
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
View file

@ -224,7 +224,7 @@ static bool vmw_du_cursor_plane_has_changed(struct vmw_plane_state *old_vps,
new_image = vmw_du_cursor_plane_acquire_image(new_vps);
changed = false;
if (old_image && new_image)
if (old_image && new_image && old_image != new_image)
changed = memcmp(old_image, new_image, size) != 0;
return changed;
@ -2171,13 +2171,12 @@ int vmw_kms_write_svga(struct vmw_private *vmw_priv,
return 0;
}
static
bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
uint32_t pitch,
uint32_t height)
u64 pitch,
u64 height)
{
return ((u64) pitch * (u64) height) < (u64)
((dev_priv->active_display_unit == vmw_du_screen_target) ?
dev_priv->max_primary_mem : dev_priv->vram_size);
return (pitch * height) < (u64)dev_priv->vram_size;
}
/**
@ -2873,25 +2872,18 @@ int vmw_du_helper_plane_update(struct vmw_du_update_plane *update)
enum drm_mode_status vmw_connector_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
enum drm_mode_status ret;
struct drm_device *dev = connector->dev;
struct vmw_private *dev_priv = vmw_priv(dev);
u32 max_width = dev_priv->texture_max_width;
u32 max_height = dev_priv->texture_max_height;
u32 assumed_cpp = 4;
if (dev_priv->assume_16bpp)
assumed_cpp = 2;
if (dev_priv->active_display_unit == vmw_du_screen_target) {
max_width = min(dev_priv->stdu_max_width, max_width);
max_height = min(dev_priv->stdu_max_height, max_height);
}
if (max_width < mode->hdisplay)
return MODE_BAD_HVALUE;
if (max_height < mode->vdisplay)
return MODE_BAD_VVALUE;
ret = drm_mode_validate_size(mode, dev_priv->texture_max_width,
dev_priv->texture_max_height);
if (ret != MODE_OK)
return ret;
if (!vmw_kms_validate_mode_vram(dev_priv,
mode->hdisplay * assumed_cpp,

60
drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
View file

@ -43,7 +43,14 @@
#define vmw_connector_to_stdu(x) \
container_of(x, struct vmw_screen_target_display_unit, base.connector)
/*
* Some renderers such as llvmpipe will align the width and height of their
* buffers to match their tile size. We need to keep this in mind when exposing
* modes to userspace so that this possible over-allocation will not exceed
* graphics memory. 64x64 pixels seems to be a reasonable upper bound for the
* tile size of current renderers.
*/
#define GPU_TILE_SIZE 64
enum stdu_content_type {
SAME_AS_DISPLAY = 0,
@ -85,11 +92,6 @@ struct vmw_stdu_update {
SVGA3dCmdUpdateGBScreenTarget body;
};
struct vmw_stdu_dma {
SVGA3dCmdHeader header;
SVGA3dCmdSurfaceDMA body;
};
struct vmw_stdu_surface_copy {
SVGA3dCmdHeader header;
SVGA3dCmdSurfaceCopy body;
@ -414,6 +416,7 @@ static void vmw_stdu_crtc_atomic_disable(struct drm_crtc *crtc,
{
struct vmw_private *dev_priv;
struct vmw_screen_target_display_unit *stdu;
struct drm_crtc_state *new_crtc_state;
int ret;
if (!crtc) {
@ -423,6 +426,7 @@ static void vmw_stdu_crtc_atomic_disable(struct drm_crtc *crtc,
stdu = vmw_crtc_to_stdu(crtc);
dev_priv = vmw_priv(crtc->dev);
new_crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
if (dev_priv->vkms_enabled)
drm_crtc_vblank_off(crtc);
@ -434,6 +438,14 @@ static void vmw_stdu_crtc_atomic_disable(struct drm_crtc *crtc,
(void) vmw_stdu_update_st(dev_priv, stdu);
/* Don't destroy the Screen Target if we are only setting the
* display as inactive
*/
if (new_crtc_state->enable &&
!new_crtc_state->active &&
!new_crtc_state->mode_changed)
return;
ret = vmw_stdu_destroy_st(dev_priv, stdu);
if (ret)
DRM_ERROR("Failed to destroy Screen Target\n");
@ -829,7 +841,41 @@ static void vmw_stdu_connector_destroy(struct drm_connector *connector)
vmw_stdu_destroy(vmw_connector_to_stdu(connector));
}
static enum drm_mode_status
vmw_stdu_connector_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
enum drm_mode_status ret;
struct drm_device *dev = connector->dev;
struct vmw_private *dev_priv = vmw_priv(dev);
u64 assumed_cpp = dev_priv->assume_16bpp ? 2 : 4;
/* Align width and height to account for GPU tile over-alignment */
u64 required_mem = ALIGN(mode->hdisplay, GPU_TILE_SIZE) *
ALIGN(mode->vdisplay, GPU_TILE_SIZE) *
assumed_cpp;
required_mem = ALIGN(required_mem, PAGE_SIZE);
ret = drm_mode_validate_size(mode, dev_priv->stdu_max_width,
dev_priv->stdu_max_height);
if (ret != MODE_OK)
return ret;
ret = drm_mode_validate_size(mode, dev_priv->texture_max_width,
dev_priv->texture_max_height);
if (ret != MODE_OK)
return ret;
if (required_mem > dev_priv->max_primary_mem)
return MODE_MEM;
if (required_mem > dev_priv->max_mob_pages * PAGE_SIZE)
return MODE_MEM;
if (required_mem > dev_priv->max_mob_size)
return MODE_MEM;
return MODE_OK;
}
static const struct drm_connector_funcs vmw_stdu_connector_funcs = {
.dpms = vmw_du_connector_dpms,
@ -845,7 +891,7 @@ static const struct drm_connector_funcs vmw_stdu_connector_funcs = {
static const struct
drm_connector_helper_funcs vmw_stdu_connector_helper_funcs = {
.get_modes = vmw_connector_get_modes,
.mode_valid = vmw_connector_mode_valid
.mode_valid = vmw_stdu_connector_mode_valid
};