diff options
Diffstat (limited to 'drivers/gpu')
-rw-r--r-- | drivers/gpu/drm/drm_atomic.c | 5 | ||||
-rw-r--r-- | drivers/gpu/drm/drm_atomic_helper.c | 12 | ||||
-rw-r--r-- | drivers/gpu/drm/drm_client.c | 35 | ||||
-rw-r--r-- | drivers/gpu/drm/drm_crtc.c | 10 | ||||
-rw-r--r-- | drivers/gpu/drm/drm_edid.c | 5 | ||||
-rw-r--r-- | drivers/gpu/drm/drm_fb_cma_helper.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/drm_fb_helper.c | 95 | ||||
-rw-r--r-- | drivers/gpu/drm/drm_lease.c | 6 | ||||
-rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_iommu.h | 34 | ||||
-rw-r--r-- | drivers/gpu/drm/i2c/tda9950.c | 5 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/Makefile | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 17 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/i915_gpu_error.c | 88 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/i915_gpu_error.h | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 33 | ||||
-rw-r--r-- | drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/mediatek/mtk_hdmi.c | 5 | ||||
-rw-r--r-- | drivers/gpu/drm/msm/adreno/adreno_gpu.c | 5 | ||||
-rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_io_util.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/dispnv50/disp.c | 15 | ||||
-rw-r--r-- | drivers/gpu/drm/sun4i/sun4i_dotclock.c | 12 |
21 files changed, 212 insertions, 183 deletions
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 2870ae205237..3dbfbddae7e6 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -175,6 +175,11 @@ void drm_atomic_state_default_clear(struct drm_atomic_state *state) state->crtcs[i].state = NULL; state->crtcs[i].old_state = NULL; state->crtcs[i].new_state = NULL; + + if (state->crtcs[i].commit) { + drm_crtc_commit_put(state->crtcs[i].commit); + state->crtcs[i].commit = NULL; + } } for (i = 0; i < config->num_total_plane; i++) { diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index e49b22381048..701cb334e1ea 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -1409,15 +1409,16 @@ EXPORT_SYMBOL(drm_atomic_helper_wait_for_vblanks); void drm_atomic_helper_wait_for_flip_done(struct drm_device *dev, struct drm_atomic_state *old_state) { - struct drm_crtc_state *new_crtc_state; struct drm_crtc *crtc; int i; - for_each_new_crtc_in_state(old_state, crtc, new_crtc_state, i) { - struct drm_crtc_commit *commit = new_crtc_state->commit; + for (i = 0; i < dev->mode_config.num_crtc; i++) { + struct drm_crtc_commit *commit = old_state->crtcs[i].commit; int ret; - if (!commit) + crtc = old_state->crtcs[i].ptr; + + if (!crtc || !commit) continue; ret = wait_for_completion_timeout(&commit->flip_done, 10 * HZ); @@ -1935,6 +1936,9 @@ int drm_atomic_helper_setup_commit(struct drm_atomic_state *state, drm_crtc_commit_get(commit); commit->abort_completion = true; + + state->crtcs[i].commit = commit; + drm_crtc_commit_get(commit); } for_each_oldnew_connector_in_state(state, conn, old_conn_state, new_conn_state, i) { diff --git a/drivers/gpu/drm/drm_client.c b/drivers/gpu/drm/drm_client.c index 17d9a64e885e..fc03d26fcacc 100644 --- a/drivers/gpu/drm/drm_client.c +++ b/drivers/gpu/drm/drm_client.c @@ -63,20 +63,21 @@ static void drm_client_close(struct drm_client_dev *client) EXPORT_SYMBOL(drm_client_close); /** - * drm_client_new - Create a DRM client + * drm_client_init - Initialise a DRM client * @dev: DRM device * @client: DRM client * @name: Client name * @funcs: DRM client functions (optional) * + * This initialises the client and opens a &drm_file. Use drm_client_add() to complete the process. * The caller needs to hold a reference on @dev before calling this function. * The client is freed when the &drm_device is unregistered. See drm_client_release(). * * Returns: * Zero on success or negative error code on failure. */ -int drm_client_new(struct drm_device *dev, struct drm_client_dev *client, - const char *name, const struct drm_client_funcs *funcs) +int drm_client_init(struct drm_device *dev, struct drm_client_dev *client, + const char *name, const struct drm_client_funcs *funcs) { int ret; @@ -95,10 +96,6 @@ int drm_client_new(struct drm_device *dev, struct drm_client_dev *client, if (ret) goto err_put_module; - mutex_lock(&dev->clientlist_mutex); - list_add(&client->list, &dev->clientlist); - mutex_unlock(&dev->clientlist_mutex); - drm_dev_get(dev); return 0; @@ -109,13 +106,33 @@ err_put_module: return ret; } -EXPORT_SYMBOL(drm_client_new); +EXPORT_SYMBOL(drm_client_init); + +/** + * drm_client_add - Add client to the device list + * @client: DRM client + * + * Add the client to the &drm_device client list to activate its callbacks. + * @client must be initialized by a call to drm_client_init(). After + * drm_client_add() it is no longer permissible to call drm_client_release() + * directly (outside the unregister callback), instead cleanup will happen + * automatically on driver unload. + */ +void drm_client_add(struct drm_client_dev *client) +{ + struct drm_device *dev = client->dev; + + mutex_lock(&dev->clientlist_mutex); + list_add(&client->list, &dev->clientlist); + mutex_unlock(&dev->clientlist_mutex); +} +EXPORT_SYMBOL(drm_client_add); /** * drm_client_release - Release DRM client resources * @client: DRM client * - * Releases resources by closing the &drm_file that was opened by drm_client_new(). + * Releases resources by closing the &drm_file that was opened by drm_client_init(). * It is called automatically if the &drm_client_funcs.unregister callback is _not_ set. * * This function should only be called from the unregister callback. An exception diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 5f488aa80bcd..268a182ae189 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -570,9 +570,9 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, struct drm_mode_crtc *crtc_req = data; struct drm_crtc *crtc; struct drm_plane *plane; - struct drm_connector **connector_set = NULL, *connector; - struct drm_framebuffer *fb = NULL; - struct drm_display_mode *mode = NULL; + struct drm_connector **connector_set, *connector; + struct drm_framebuffer *fb; + struct drm_display_mode *mode; struct drm_mode_set set; uint32_t __user *set_connectors_ptr; struct drm_modeset_acquire_ctx ctx; @@ -601,6 +601,10 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, mutex_lock(&crtc->dev->mode_config.mutex); drm_modeset_acquire_init(&ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE); retry: + connector_set = NULL; + fb = NULL; + mode = NULL; + ret = drm_modeset_lock_all_ctx(crtc->dev, &ctx); if (ret) goto out; diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 3c9fc99648b7..ff0bfc65a8c1 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -113,6 +113,9 @@ static const struct edid_quirk { /* AEO model 0 reports 8 bpc, but is a 6 bpc panel */ { "AEO", 0, EDID_QUIRK_FORCE_6BPC }, + /* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */ + { "BOE", 0x78b, EDID_QUIRK_FORCE_6BPC }, + /* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */ { "CPT", 0x17df, EDID_QUIRK_FORCE_6BPC }, @@ -4279,7 +4282,7 @@ static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector, struct drm_hdmi_info *hdmi = &connector->display_info.hdmi; dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK; - hdmi->y420_dc_modes |= dc_mask; + hdmi->y420_dc_modes = dc_mask; } static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector, diff --git a/drivers/gpu/drm/drm_fb_cma_helper.c b/drivers/gpu/drm/drm_fb_cma_helper.c index 47e0e2f6642d..fb0dfc62b1b6 100644 --- a/drivers/gpu/drm/drm_fb_cma_helper.c +++ b/drivers/gpu/drm/drm_fb_cma_helper.c @@ -167,7 +167,7 @@ struct drm_fbdev_cma *drm_fbdev_cma_init(struct drm_device *dev, fb_helper = &fbdev_cma->fb_helper; - ret = drm_client_new(dev, &fb_helper->client, "fbdev", NULL); + ret = drm_client_init(dev, &fb_helper->client, "fbdev", NULL); if (ret) goto err_free; @@ -176,6 +176,8 @@ struct drm_fbdev_cma *drm_fbdev_cma_init(struct drm_device *dev, if (ret) goto err_client_put; + drm_client_add(&fb_helper->client); + return fbdev_cma; err_client_put: diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 9b111e846847..a502f3e519fd 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -1599,6 +1599,25 @@ unlock: } EXPORT_SYMBOL(drm_fb_helper_ioctl); +static bool drm_fb_pixel_format_equal(const struct fb_var_screeninfo *var_1, + const struct fb_var_screeninfo *var_2) +{ + return var_1->bits_per_pixel == var_2->bits_per_pixel && + var_1->grayscale == var_2->grayscale && + var_1->red.offset == var_2->red.offset && + var_1->red.length == var_2->red.length && + var_1->red.msb_right == var_2->red.msb_right && + var_1->green.offset == var_2->green.offset && + var_1->green.length == var_2->green.length && + var_1->green.msb_right == var_2->green.msb_right && + var_1->blue.offset == var_2->blue.offset && + var_1->blue.length == var_2->blue.length && + var_1->blue.msb_right == var_2->blue.msb_right && + var_1->transp.offset == var_2->transp.offset && + var_1->transp.length == var_2->transp.length && + var_1->transp.msb_right == var_2->transp.msb_right; +} + /** * drm_fb_helper_check_var - implementation for &fb_ops.fb_check_var * @var: screeninfo to check @@ -1609,7 +1628,6 @@ int drm_fb_helper_check_var(struct fb_var_screeninfo *var, { struct drm_fb_helper *fb_helper = info->par; struct drm_framebuffer *fb = fb_helper->fb; - int depth; if (var->pixclock != 0 || in_dbg_master()) return -EINVAL; @@ -1629,72 +1647,15 @@ int drm_fb_helper_check_var(struct fb_var_screeninfo *var, return -EINVAL; } - switch (var->bits_per_pixel) { - case 16: - depth = (var->green.length == 6) ? 16 : 15; - break; - case 32: - depth = (var->transp.length > 0) ? 32 : 24; - break; - default: - depth = var->bits_per_pixel; - break; - } - - switch (depth) { - case 8: - var->red.offset = 0; - var->green.offset = 0; - var->blue.offset = 0; - var->red.length = 8; - var->green.length = 8; - var->blue.length = 8; - var->transp.length = 0; - var->transp.offset = 0; - break; - case 15: - var->red.offset = 10; - var->green.offset = 5; - var->blue.offset = 0; - var->red.length = 5; - var->green.length = 5; - var->blue.length = 5; - var->transp.length = 1; - var->transp.offset = 15; - break; - case 16: - var->red.offset = 11; - var->green.offset = 5; - var->blue.offset = 0; - var->red.length = 5; - var->green.length = 6; - var->blue.length = 5; - var->transp.length = 0; - var->transp.offset = 0; - break; - case 24: - var->red.offset = 16; - var->green.offset = 8; - var->blue.offset = 0; - var->red.length = 8; - var->green.length = 8; - var->blue.length = 8; - var->transp.length = 0; - var->transp.offset = 0; - break; - case 32: - var->red.offset = 16; - var->green.offset = 8; - var->blue.offset = 0; - var->red.length = 8; - var->green.length = 8; - var->blue.length = 8; - var->transp.length = 8; - var->transp.offset = 24; - break; - default: + /* + * drm fbdev emulation doesn't support changing the pixel format at all, + * so reject all pixel format changing requests. + */ + if (!drm_fb_pixel_format_equal(var, &info->var)) { + DRM_DEBUG("fbdev emulation doesn't support changing the pixel format\n"); return -EINVAL; } + return 0; } EXPORT_SYMBOL(drm_fb_helper_check_var); @@ -3258,13 +3219,15 @@ int drm_fbdev_generic_setup(struct drm_device *dev, unsigned int preferred_bpp) if (!fb_helper) return -ENOMEM; - ret = drm_client_new(dev, &fb_helper->client, "fbdev", &drm_fbdev_client_funcs); + ret = drm_client_init(dev, &fb_helper->client, "fbdev", &drm_fbdev_client_funcs); if (ret) { kfree(fb_helper); DRM_DEV_ERROR(dev->dev, "Failed to register client: %d\n", ret); return ret; } + drm_client_add(&fb_helper->client); + fb_helper->preferred_bpp = preferred_bpp; ret = drm_fbdev_client_hotplug(&fb_helper->client); diff --git a/drivers/gpu/drm/drm_lease.c b/drivers/gpu/drm/drm_lease.c index 5894b4e144d7..24a177ea5417 100644 --- a/drivers/gpu/drm/drm_lease.c +++ b/drivers/gpu/drm/drm_lease.c @@ -566,14 +566,14 @@ int drm_mode_create_lease_ioctl(struct drm_device *dev, lessee_priv->is_master = 1; lessee_priv->authenticated = 1; - /* Hook up the fd */ - fd_install(fd, lessee_file); - /* Pass fd back to userspace */ DRM_DEBUG_LEASE("Returning fd %d id %d\n", fd, lessee->lessee_id); cl->fd = fd; cl->lessee_id = lessee->lessee_id; + /* Hook up the fd */ + fd_install(fd, lessee_file); + DRM_DEBUG_LEASE("drm_mode_create_lease_ioctl succeeded\n"); return 0; diff --git a/drivers/gpu/drm/exynos/exynos_drm_iommu.h b/drivers/gpu/drm/exynos/exynos_drm_iommu.h index 87f6b5672e11..797d9ee5f15a 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_iommu.h +++ b/drivers/gpu/drm/exynos/exynos_drm_iommu.h @@ -55,37 +55,12 @@ static inline void __exynos_iommu_detach(struct exynos_drm_private *priv, static inline int __exynos_iommu_create_mapping(struct exynos_drm_private *priv, unsigned long start, unsigned long size) { - struct iommu_domain *domain; - int ret; - - domain = iommu_domain_alloc(priv->dma_dev->bus); - if (!domain) - return -ENOMEM; - - ret = iommu_get_dma_cookie(domain); - if (ret) - goto free_domain; - - ret = iommu_dma_init_domain(domain, start, size, NULL); - if (ret) - goto put_cookie; - - priv->mapping = domain; + priv->mapping = iommu_get_domain_for_dev(priv->dma_dev); return 0; - -put_cookie: - iommu_put_dma_cookie(domain); -free_domain: - iommu_domain_free(domain); - return ret; } static inline void __exynos_iommu_release_mapping(struct exynos_drm_private *priv) { - struct iommu_domain *domain = priv->mapping; - - iommu_put_dma_cookie(domain); - iommu_domain_free(domain); priv->mapping = NULL; } @@ -94,7 +69,9 @@ static inline int __exynos_iommu_attach(struct exynos_drm_private *priv, { struct iommu_domain *domain = priv->mapping; - return iommu_attach_device(domain, dev); + if (dev != priv->dma_dev) + return iommu_attach_device(domain, dev); + return 0; } static inline void __exynos_iommu_detach(struct exynos_drm_private *priv, @@ -102,7 +79,8 @@ static inline void __exynos_iommu_detach(struct exynos_drm_private *priv, { struct iommu_domain *domain = priv->mapping; - iommu_detach_device(domain, dev); + if (dev != priv->dma_dev) + iommu_detach_device(domain, dev); } #else #error Unsupported architecture and IOMMU/DMA-mapping glue code diff --git a/drivers/gpu/drm/i2c/tda9950.c b/drivers/gpu/drm/i2c/tda9950.c index 5d2f0d548469..250b5e02a314 100644 --- a/drivers/gpu/drm/i2c/tda9950.c +++ b/drivers/gpu/drm/i2c/tda9950.c @@ -191,7 +191,8 @@ static irqreturn_t tda9950_irq(int irq, void *data) break; } /* TDA9950 executes all retries for us */ - tx_status |= CEC_TX_STATUS_MAX_RETRIES; + if (tx_status != CEC_TX_STATUS_OK) + tx_status |= CEC_TX_STATUS_MAX_RETRIES; cec_transmit_done(priv->adap, tx_status, arb_lost_cnt, nack_cnt, 0, err_cnt); break; @@ -310,7 +311,7 @@ static void tda9950_release(struct tda9950_priv *priv) /* Wait up to .5s for it to signal non-busy */ do { csr = tda9950_read(client, REG_CSR); - if (!(csr & CSR_BUSY) || --timeout) + if (!(csr & CSR_BUSY) || !--timeout) break; msleep(10); } while (1); diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index 5794f102f9b8..1c2857f13ad4 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -12,7 +12,7 @@ # Note the danger in using -Wall -Wextra is that when CI updates gcc we # will most likely get a sudden build breakage... Hopefully we will fix # new warnings before CI updates! -subdir-ccflags-y := -Wall -Wextra -Wvla +subdir-ccflags-y := -Wall -Wextra subdir-ccflags-y += $(call cc-disable-warning, unused-parameter) subdir-ccflags-y += $(call cc-disable-warning, type-limits) subdir-ccflags-y += $(call cc-disable-warning, missing-field-initializers) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index aa3969d52773..0c8aa57ce83b 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -6052,7 +6052,8 @@ i915_gem_object_get_sg(struct drm_i915_gem_object *obj, count = __sg_page_count(sg); while (idx + count <= n) { - unsigned long exception, i; + void *entry; + unsigned long i; int ret; /* If we cannot allocate and insert this entry, or the @@ -6067,12 +6068,9 @@ i915_gem_object_get_sg(struct drm_i915_gem_object *obj, if (ret && ret != -EEXIST) goto scan; - exception = - RADIX_TREE_EXCEPTIONAL_ENTRY | - idx << RADIX_TREE_EXCEPTIONAL_SHIFT; + entry = xa_mk_value(idx); for (i = 1; i < count; i++) { - ret = radix_tree_insert(&iter->radix, idx + i, - (void *)exception); + ret = radix_tree_insert(&iter->radix, idx + i, entry); if (ret && ret != -EEXIST) goto scan; } @@ -6110,15 +6108,14 @@ lookup: GEM_BUG_ON(!sg); /* If this index is in the middle of multi-page sg entry, - * the radixtree will contain an exceptional entry that points + * the radix tree will contain a value entry that points * to the start of that range. We will return the pointer to * the base page and the offset of this page within the * sg entry's range. */ *offset = 0; - if (unlikely(radix_tree_exception(sg))) { - unsigned long base = - (unsigned long)sg >> RADIX_TREE_EXCEPTIONAL_SHIFT; + if (unlikely(xa_is_value(sg))) { + unsigned long base = xa_to_value(sg); sg = radix_tree_lookup(&iter->radix, base); GEM_BUG_ON(!sg); diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index 2835cacd0d08..8762d17b6659 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -232,6 +232,20 @@ static bool compress_init(struct compress *c) return true; } +static void *compress_next_page(struct drm_i915_error_object *dst) +{ + unsigned long page; + + if (dst->page_count >= dst->num_pages) + return ERR_PTR(-ENOSPC); + + page = __get_free_page(GFP_ATOMIC | __GFP_NOWARN); + if (!page) + return ERR_PTR(-ENOMEM); + + return dst->pages[dst->page_count++] = (void *)page; +} + static int compress_page(struct compress *c, void *src, struct drm_i915_error_object *dst) @@ -245,19 +259,14 @@ static int compress_page(struct compress *c, do { if (zstream->avail_out == 0) { - unsigned long page; - - page = __get_free_page(GFP_ATOMIC | __GFP_NOWARN); - if (!page) - return -ENOMEM; + zstream->next_out = compress_next_page(dst); + if (IS_ERR(zstream->next_out)) + return PTR_ERR(zstream->next_out); - dst->pages[dst->page_count++] = (void *)page; - - zstream->next_out = (void *)page; zstream->avail_out = PAGE_SIZE; } - if (zlib_deflate(zstream, Z_SYNC_FLUSH) != Z_OK) + if (zlib_deflate(zstream, Z_NO_FLUSH) != Z_OK) return -EIO; } while (zstream->avail_in); @@ -268,19 +277,42 @@ static int compress_page(struct compress *c, return 0; } -static void compress_fini(struct compress *c, +static int compress_flush(struct compress *c, struct drm_i915_error_object *dst) { struct z_stream_s *zstream = &c->zstream; - if (dst) { - zlib_deflate(zstream, Z_FINISH); - dst->unused = zstream->avail_out; - } + do { + switch (zlib_deflate(zstream, Z_FINISH)) { + case Z_OK: /* more space requested */ + zstream->next_out = compress_next_page(dst); + if (IS_ERR(zstream->next_out)) + return PTR_ERR(zstream->next_out); + + zstream->avail_out = PAGE_SIZE; + break; + + case Z_STREAM_END: + goto end; + + default: /* any error */ + return -EIO; + } + } while (1); + +end: + memset(zstream->next_out, 0, zstream->avail_out); + dst->unused = zstream->avail_out; + return 0; +} + +static void compress_fini(struct compress *c, + struct drm_i915_error_object *dst) +{ + struct z_stream_s *zstream = &c->zstream; zlib_deflateEnd(zstream); kfree(zstream->workspace); - if (c->tmp) free_page((unsigned long)c->tmp); } @@ -319,6 +351,12 @@ static int compress_page(struct compress *c, return 0; } +static int compress_flush(struct compress *c, + struct drm_i915_error_object *dst) +{ + return 0; +} + static void compress_fini(struct compress *c, struct drm_i915_error_object *dst) { @@ -917,6 +955,7 @@ i915_error_object_create(struct drm_i915_private *i915, unsigned long num_pages; struct sgt_iter iter; dma_addr_t dma; + int ret; if (!vma) return NULL; @@ -930,6 +969,7 @@ i915_error_object_create(struct drm_i915_private *i915, dst->gtt_offset = vma->node.start; dst->gtt_size = vma->node.size; + dst->num_pages = num_pages; dst->page_count = 0; dst->unused = 0; @@ -938,28 +978,26 @@ i915_error_object_create(struct drm_i915_private *i915, return NULL; } + ret = -EINVAL; for_each_sgt_dma(dma, iter, vma->pages) { void __iomem *s; - int ret; ggtt->vm.insert_page(&ggtt->vm, dma, slot, I915_CACHE_NONE, 0); s = io_mapping_map_atomic_wc(&ggtt->iomap, slot); ret = compress_page(&compress, (void __force *)s, dst); io_mapping_unmap_atomic(s); - if (ret) - goto unwind; + break; } - goto out; -unwind: - while (dst->page_count--) - free_page((unsigned long)dst->pages[dst->page_count]); - kfree(dst); - dst = NULL; + if (ret || compress_flush(&compress, dst)) { + while (dst->page_count--) + free_page((unsigned long)dst->pages[dst->page_count]); + kfree(dst); + dst = NULL; + } -out: compress_fini(&compress, dst); ggtt->vm.clear_range(&ggtt->vm, slot, PAGE_SIZE); return dst; diff --git a/drivers/gpu/drm/i915/i915_gpu_error.h b/drivers/gpu/drm/i915/i915_gpu_error.h index f893a4e8b783..8710fb18ed74 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.h +++ b/drivers/gpu/drm/i915/i915_gpu_error.h @@ -135,6 +135,7 @@ struct i915_gpu_state { struct drm_i915_error_object { u64 gtt_offset; u64 gtt_size; + int num_pages; int page_count; int unused; u32 *pages[0]; diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 10f28a2ee2e6..2e242270e270 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -3088,36 +3088,27 @@ gen11_gt_irq_handler(struct drm_i915_private * const i915, spin_unlock(&i915->irq_lock); } -static void -gen11_gu_misc_irq_ack(struct drm_i915_private *dev_priv, const u32 master_ctl, - u32 *iir) +static u32 +gen11_gu_misc_irq_ack(struct drm_i915_private *dev_priv, const u32 master_ctl) { void __iomem * const regs = dev_priv->regs; + u32 iir; if (!(master_ctl & GEN11_GU_MISC_IRQ)) - return; + return 0; + + iir = raw_reg_read(regs, GEN11_GU_MISC_IIR); + if (likely(iir)) + raw_reg_write(regs, GEN11_GU_MISC_IIR, iir); - *iir = raw_reg_read(regs, GEN11_GU_MISC_IIR); - if (likely(*iir)) - raw_reg_write(regs, GEN11_GU_MISC_IIR, *iir); + return iir; } static void -gen11_gu_misc_irq_handler(struct drm_i915_private *dev_priv, - const u32 master_ctl, const u32 iir) +gen11_gu_misc_irq_handler(struct drm_i915_private *dev_priv, const u32 iir) { - if (!(master_ctl & GEN11_GU_MISC_IRQ)) - return; - - if (unlikely(!iir)) { - DRM_ERROR("GU_MISC iir blank!\n"); - return; - } - if (iir & GEN11_GU_MISC_GSE) intel_opregion_asle_intr(dev_priv); - else - DRM_ERROR("Unexpected GU_MISC interrupt 0x%x\n", iir); } static irqreturn_t gen11_irq_handler(int irq, void *arg) @@ -3154,12 +3145,12 @@ static irqreturn_t gen11_irq_handler(int irq, void *arg) enable_rpm_wakeref_asserts(i915); } - gen11_gu_misc_irq_ack(i915, master_ctl, &gu_misc_iir); + gu_misc_iir = gen11_gu_misc_irq_ack(i915, master_ctl); /* Acknowledge and enable interrupts. */ raw_reg_write(regs, GEN11_GFX_MSTR_IRQ, GEN11_MASTER_IRQ | master_ctl); - gen11_gu_misc_irq_handler(i915, master_ctl, gu_misc_iir); + gen11_gu_misc_irq_handler(i915, gu_misc_iir); return IRQ_HANDLED; } diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index 0b976dfd04df..92ecb9bf982c 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -600,7 +600,7 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, } mtk_crtc->layer_nr = mtk_ddp_comp_layer_nr(mtk_crtc->ddp_comp[0]); - mtk_crtc->planes = devm_kzalloc(dev, mtk_crtc->layer_nr * + mtk_crtc->planes = devm_kcalloc(dev, mtk_crtc->layer_nr, sizeof(struct drm_plane), GFP_KERNEL); diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c index 11e3644da79a..862f3ec22131 100644 --- a/drivers/gpu/drm/mediatek/mtk_hdmi.c +++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c @@ -1452,8 +1452,7 @@ static int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi, } /* The CEC module handles HDMI hotplug detection */ - cec_np = of_find_compatible_node(np->parent, NULL, - "mediatek,mt8173-cec"); + cec_np = of_get_compatible_child(np->parent, "mediatek,mt8173-cec"); if (!cec_np) { dev_err(dev, "Failed to find CEC node\n"); return -EINVAL; @@ -1463,8 +1462,10 @@ static int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi, if (!cec_pdev) { dev_err(hdmi->dev, "Waiting for CEC device %pOF\n", cec_np); + of_node_put(cec_np); return -EPROBE_DEFER; } + of_node_put(cec_np); hdmi->cec_dev = &cec_pdev->dev; /* diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index da1363a0c54d..93d70f4a2154 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -633,8 +633,7 @@ static int adreno_get_legacy_pwrlevels(struct device *dev) struct device_node *child, *node; int ret; - node = of_find_compatible_node(dev->of_node, NULL, - "qcom,gpu-pwrlevels"); + node = of_get_compatible_child(dev->of_node, "qcom,gpu-pwrlevels"); if (!node) { dev_err(dev, "Could not find the GPU powerlevels\n"); return -ENXIO; @@ -655,6 +654,8 @@ static int adreno_get_legacy_pwrlevels(struct device *dev) dev_pm_opp_add(dev, val, 0); } + of_node_put(node); + return 0; } diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_io_util.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_io_util.c index 790d39f816dc..b557687b1964 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_io_util.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_io_util.c @@ -153,8 +153,8 @@ int msm_dss_parse_clock(struct platform_device *pdev, return 0; } - mp->clk_config = devm_kzalloc(&pdev->dev, - sizeof(struct dss_clk) * num_clk, + mp->clk_config = devm_kcalloc(&pdev->dev, + num_clk, sizeof(struct dss_clk), GFP_KERNEL); if (!mp->clk_config) return -ENOMEM; diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c index 5f163a025e89..6bb78076b5b5 100644 --- a/drivers/gpu/drm/nouveau/dispnv50/disp.c +++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c @@ -938,9 +938,22 @@ static enum drm_connector_status nv50_mstc_detect(struct drm_connector *connector, bool force) { struct nv50_mstc *mstc = nv50_mstc(connector); + enum drm_connector_status conn_status; + int ret; + if (!mstc->port) return connector_status_disconnected; - return drm_dp_mst_detect_port(connector, mstc->port->mgr, mstc->port); + + ret = pm_runtime_get_sync(connector->dev->dev); + if (ret < 0 && ret != -EACCES) + return connector_status_disconnected; + + conn_status = drm_dp_mst_detect_port(connector, mstc->port->mgr, + mstc->port); + + pm_runtime_mark_last_busy(connector->dev->dev); + pm_runtime_put_autosuspend(connector->dev->dev); + return conn_status; } static void diff --git a/drivers/gpu/drm/sun4i/sun4i_dotclock.c b/drivers/gpu/drm/sun4i/sun4i_dotclock.c index e36004fbe453..2a15f2f9271e 100644 --- a/drivers/gpu/drm/sun4i/sun4i_dotclock.c +++ b/drivers/gpu/drm/sun4i/sun4i_dotclock.c @@ -81,9 +81,19 @@ static long sun4i_dclk_round_rate(struct clk_hw *hw, unsigned long rate, int i; for (i = tcon->dclk_min_div; i <= tcon->dclk_max_div; i++) { - unsigned long ideal = rate * i; + u64 ideal = (u64)rate * i; unsigned long rounded; + /* + * ideal has overflowed the max value that can be stored in an + * unsigned long, and every clk operation we might do on a + * truncated u64 value will give us incorrect results. + * Let's just stop there since bigger dividers will result in + * the same overflow issue. + */ + if (ideal > ULONG_MAX) + goto out; + rounded = clk_hw_round_rate(clk_hw_get_parent(hw), ideal); |