diff options
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_ioc32.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_opregion.c | 27 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/msm_drv.h | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gem.c | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gem_submit.c | 2 |
7 files changed, 55 insertions, 6 deletions
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c index 016c19122..52c527f66 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c @@ -320,19 +320,19 @@ atmel_hlcdc_plane_update_pos_and_size(struct atmel_hlcdc_plane *plane, u32 *coeff_tab = heo_upscaling_ycoef; u32 max_memsize; - if (state->crtc_w < state->src_w) + if (state->crtc_h < state->src_h) coeff_tab = heo_downscaling_ycoef; for (i = 0; i < ARRAY_SIZE(heo_upscaling_ycoef); i++) atmel_hlcdc_layer_update_cfg(&plane->layer, 33 + i, 0xffffffff, coeff_tab[i]); - factor = ((8 * 256 * state->src_w) - (256 * 4)) / - state->crtc_w; + factor = ((8 * 256 * state->src_h) - (256 * 4)) / + state->crtc_h; factor++; - max_memsize = ((factor * state->crtc_w) + (256 * 4)) / + max_memsize = ((factor * state->crtc_h) + (256 * 4)) / 2048; - if (max_memsize > state->src_w) + if (max_memsize > state->src_h) factor--; factor_reg |= (factor << 16) | 0x80000000; } diff --git a/drivers/gpu/drm/drm_ioc32.c b/drivers/gpu/drm/drm_ioc32.c index 57676f8d7..a6289752b 100644 --- a/drivers/gpu/drm/drm_ioc32.c +++ b/drivers/gpu/drm/drm_ioc32.c @@ -1015,6 +1015,7 @@ static int compat_drm_wait_vblank(struct file *file, unsigned int cmd, return 0; } +#if defined(CONFIG_X86) || defined(CONFIG_IA64) typedef struct drm_mode_fb_cmd232 { u32 fb_id; u32 width; @@ -1071,6 +1072,7 @@ static int compat_drm_mode_addfb2(struct file *file, unsigned int cmd, return 0; } +#endif static drm_ioctl_compat_t *drm_compat_ioctls[] = { [DRM_IOCTL_NR(DRM_IOCTL_VERSION32)] = compat_drm_version, @@ -1104,7 +1106,9 @@ static drm_ioctl_compat_t *drm_compat_ioctls[] = { [DRM_IOCTL_NR(DRM_IOCTL_UPDATE_DRAW32)] = compat_drm_update_draw, #endif [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK32)] = compat_drm_wait_vblank, +#if defined(CONFIG_X86) || defined(CONFIG_IA64) [DRM_IOCTL_NR(DRM_IOCTL_MODE_ADDFB232)] = compat_drm_mode_addfb2, +#endif }; /** diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 103546834..2a6e12956 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -2100,9 +2100,10 @@ static int i915_dump_lrc(struct seq_file *m, void *unused) return ret; list_for_each_entry(ctx, &dev_priv->context_list, link) - if (ctx != dev_priv->kernel_context) + if (ctx != dev_priv->kernel_context) { for_each_engine(engine, dev_priv) i915_dump_lrc_obj(m, ctx, engine); + } mutex_unlock(&dev->struct_mutex); diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index 16e209d32..72842aafd 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c @@ -1013,6 +1013,23 @@ err_out: return err; } +static int intel_use_opregion_panel_type_callback(const struct dmi_system_id *id) +{ + DRM_INFO("Using panel type from OpRegion on %s\n", id->ident); + return 1; +} + +static const struct dmi_system_id intel_use_opregion_panel_type[] = { + { + .callback = intel_use_opregion_panel_type_callback, + .ident = "Conrac GmbH IX45GM2", + .matches = {DMI_MATCH(DMI_SYS_VENDOR, "Conrac GmbH"), + DMI_MATCH(DMI_PRODUCT_NAME, "IX45GM2"), + }, + }, + { } +}; + int intel_opregion_get_panel_type(struct drm_device *dev) { @@ -1039,6 +1056,16 @@ intel_opregion_get_panel_type(struct drm_device *dev) } /* + * So far we know that some machined must use it, others must not use it. + * There doesn't seem to be any way to determine which way to go, except + * via a quirk list :( + */ + if (!dmi_check_system(intel_use_opregion_panel_type)) { + DRM_DEBUG_KMS("Ignoring OpRegion panel type (%d)\n", ret - 1); + return -ENODEV; + } + + /* * FIXME On Dell XPS 13 9350 the OpRegion panel type (0) gives us * low vswing for eDP, whereas the VBT panel type (2) gives us normal * vswing instead. Low vswing results in some display flickers, so diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index 5b2963f32..16ae246f7 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -148,6 +148,12 @@ struct msm_drm_private { } vram; struct msm_vblank_ctrl vblank_ctrl; + + /* task holding struct_mutex.. currently only used in submit path + * to detect and reject faults from copy_from_user() for submit + * ioctl. + */ + struct task_struct *struct_mutex_task; }; struct msm_format { diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 69836f568..46ffcbf2f 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -196,11 +196,20 @@ int msm_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { struct drm_gem_object *obj = vma->vm_private_data; struct drm_device *dev = obj->dev; + struct msm_drm_private *priv = dev->dev_private; struct page **pages; unsigned long pfn; pgoff_t pgoff; int ret; + /* This should only happen if userspace tries to pass a mmap'd + * but unfaulted gem bo vaddr into submit ioctl, triggering + * a page fault while struct_mutex is already held. This is + * not a valid use-case so just bail. + */ + if (priv->struct_mutex_task == current) + return VM_FAULT_SIGBUS; + /* Make sure we don't parallel update on a fault, nor move or remove * something from beneath our feet */ diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c index eb515f04e..c1889d700 100644 --- a/drivers/gpu/drm/msm/msm_gem_submit.c +++ b/drivers/gpu/drm/msm/msm_gem_submit.c @@ -394,6 +394,7 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, return -ENOMEM; mutex_lock(&dev->struct_mutex); + priv->struct_mutex_task = current; ret = submit_lookup_objects(submit, args, file); if (ret) @@ -479,6 +480,7 @@ out: submit_cleanup(submit); if (ret) msm_gem_submit_free(submit); + priv->struct_mutex_task = NULL; mutex_unlock(&dev->struct_mutex); return ret; } |