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authorLinus Torvalds <[email protected]>2025-07-31 02:26:49 +0000
committerLinus Torvalds <[email protected]>2025-07-31 02:26:49 +0000
commit260f6f4fda93c8485c8037865c941b42b9cba5d2 (patch)
tree587a0ea46d3351f63250d19860b01da8217ac774 /drivers/gpu/drm/hyperv/hyperv_drm_modeset.c
parentMerge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm (diff)
parentMerge tag 'drm-misc-next-fixes-2025-07-24' of https://gitlab.freedesktop.org/... (diff)
downloadkernel-260f6f4fda93c8485c8037865c941b42b9cba5d2.tar.gz
kernel-260f6f4fda93c8485c8037865c941b42b9cba5d2.zip
Merge tag 'drm-next-2025-07-30' of https://gitlab.freedesktop.org/drm/kernel
Pull drm updates from Dave Airlie: "Highlights: - Intel xe enable Panthor Lake, started adding WildCat Lake - amdgpu has a bunch of reset improvments along with the usual IP updates - msm got VM_BIND support which is important for vulkan sparse memory - more drm_panic users - gpusvm common code to handle a bunch of core SVM work outside drivers. Detail summary: Changes outside drm subdirectory: - 'shrink_shmem_memory()' for better shmem/hibernate interaction - Rust support infrastructure: - make ETIMEDOUT available - add size constants up to SZ_2G - add DMA coherent allocation bindings - mtd driver for Intel GPU non-volatile storage - i2c designware quirk for Intel xe core: - atomic helpers: tune enable/disable sequences - add task info to wedge API - refactor EDID quirks - connector: move HDR sink to drm_display_info - fourcc: half-float and 32-bit float formats - mode_config: pass format info to simplify dma-buf: - heaps: Give CMA heap a stable name ci: - add device tree validation and kunit displayport: - change AUX DPCD access probe address - add quirk for DPCD probe - add panel replay definitions - backlight control helpers fbdev: - make CONFIG_FIRMWARE_EDID available on all arches fence: - fix UAF issues format-helper: - improve tests gpusvm: - introduce devmem only flag for allocation - add timeslicing support to GPU SVM ttm: - improve eviction sched: - tracing improvements - kunit improvements - memory leak fixes - reset handling improvements color mgmt: - add hardware gamma LUT handling helpers bridge: - add destroy hook - switch to reference counted drm_bridge allocations - tc358767: convert to devm_drm_bridge_alloc - improve CEC handling panel: - switch to reference counter drm_panel allocations - fwnode panel lookup - Huiling hl055fhv028c support - Raspberry Pi 7" 720x1280 support - edp: KDC KD116N3730A05, N160JCE-ELL CMN, N116BCJ-EAK - simple: AUO P238HAN01 - st7701: Winstar wf40eswaa6mnn0 - visionox: rm69299-shift - Renesas R61307, Renesas R69328 support - DJN HX83112B hdmi: - add CEC handling - YUV420 output support xe: - WildCat Lake support - Enable PanthorLake by default - mark BMG as SRIOV capable - update firmware recommendations - Expose media OA units - aux-bux support for non-volatile memory - MTD intel-dg driver for non-volatile memory - Expose fan control and voltage regulator in sysfs - restructure migration for multi-device - Restore GuC submit UAF fix - make GEM shrinker drm managed - SRIOV VF Post-migration recovery of GGTT nodes - W/A additions/reworks - Prefetch support for svm ranges - Don't allocate managed BO for each policy change - HWMON fixes for BMG - Create LRC BO without VM - PCI ID updates - make SLPC debugfs files optional - rework eviction rejection of bound external BOs - consolidate PAT programming logic for pre/post Xe2 - init changes for flicker-free boot - Enable GuC Dynamic Inhibit Context switch i915: - drm_panic support for i915/xe - initial flip queue off by default for LNL/PNL - Wildcat Lake Display support - Support for DSC fractional link bpp - Support for simultaneous Panel Replay and Adaptive sync - Support for PTL+ double buffer LUT - initial PIPEDMC event handling - drm_panel_follower support - DPLL interface renames - allocate struct intel_display dynamically - flip queue preperation - abstract DRAM detection better - avoid GuC scheduling stalls - remove DG1 force probe requirement - fix MEI interrupt handler on RT kernels - use backlight control helpers for eDP - more shared display code refactoring amdgpu: - add userq slot to INFO ioctl - SR-IOV hibernation support - Suspend improvements - Backlight improvements - Use scaling for non-native eDP modes - cleaner shader updates for GC 9.x - Remove fence slab - SDMA fw checks for userq support - RAS updates - DMCUB updates - DP tunneling fixes - Display idle D3 support - Per queue reset improvements - initial smartmux support amdkfd: - enable KFD on loongarch - mtype fix for ext coherent system memory radeon: - CS validation additional GL extensions - drop console lock during suspend/resume - bump driver version msm: - VM BIND support - CI: infrastructure updates - UBWC single source of truth - decouple GPU and KMS support - DP: rework I/O accessors - DPU: SM8750 support - DSI: SM8750 support - GPU: X1-45 support and speedbin support for X1-85 - MDSS: SM8750 support nova: - register! macro improvements - DMA object abstraction - VBIOS parser + fwsec lookup - sysmem flush page support - falcon: generic falcon boot code and HAL - FWSEC-FRTS: fb setup and load/execute ivpu: - Add Wildcat Lake support - Add turbo flag ast: - improve hardware generations implementation imx: - IMX8qxq Display Controller support lima: - Rockchip RK3528 GPU support nouveau: - fence handling cleanup panfrost: - MT8370 support - bo labeling - 64-bit register access qaic: - add RAS support rockchip: - convert inno_hdmi to a bridge rz-du: - add RZ/V2H(P) support - MIPI-DSI DCS support sitronix: - ST7567 support sun4i: - add H616 support tidss: - add TI AM62L support - AM65x OLDI bridge support bochs: - drm panic support vkms: - YUV and R* format support - use faux device vmwgfx: - fence improvements hyperv: - move out of simple - add drm_panic support" * tag 'drm-next-2025-07-30' of https://gitlab.freedesktop.org/drm/kernel: (1479 commits) drm/tidss: oldi: convert to devm_drm_bridge_alloc() API drm/tidss: encoder: convert to devm_drm_bridge_alloc() drm/amdgpu: move reset support type checks into the caller drm/amdgpu/sdma7: re-emit unprocessed state on ring reset drm/amdgpu/sdma6: re-emit unprocessed state on ring reset drm/amdgpu/sdma5.2: re-emit unprocessed state on ring reset drm/amdgpu/sdma5: re-emit unprocessed state on ring reset drm/amdgpu/gfx12: re-emit unprocessed state on ring reset drm/amdgpu/gfx11: re-emit unprocessed state on ring reset drm/amdgpu/gfx10: re-emit unprocessed state on ring reset drm/amdgpu/gfx9.4.3: re-emit unprocessed state on kcq reset drm/amdgpu/gfx9: re-emit unprocessed state on kcq reset drm/amdgpu: Add WARN_ON to the resource clear function drm/amd/pm: Use cached metrics data on SMUv13.0.6 drm/amd/pm: Use cached data for min/max clocks gpu: nova-core: fix bounds check in PmuLookupTableEntry::new drm/amdgpu: Replace HQD terminology with slots naming drm/amdgpu: Add user queue instance count in HW IP info drm/amd/amdgpu: Add helper functions for isp buffers drm/amd/amdgpu: Initialize swnode for ISP MFD device ...
Diffstat (limited to 'drivers/gpu/drm/hyperv/hyperv_drm_modeset.c')
-rw-r--r--drivers/gpu/drm/hyperv/hyperv_drm_modeset.c206
1 files changed, 147 insertions, 59 deletions
diff --git a/drivers/gpu/drm/hyperv/hyperv_drm_modeset.c b/drivers/gpu/drm/hyperv/hyperv_drm_modeset.c
index 6c6b57298797..945b9482bcb3 100644
--- a/drivers/gpu/drm/hyperv/hyperv_drm_modeset.c
+++ b/drivers/gpu/drm/hyperv/hyperv_drm_modeset.c
@@ -5,6 +5,8 @@
#include <linux/hyperv.h>
+#include <drm/drm_atomic.h>
+#include <drm/drm_crtc_helper.h>
#include <drm/drm_damage_helper.h>
#include <drm/drm_drv.h>
#include <drm/drm_edid.h>
@@ -15,7 +17,8 @@
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_gem_shmem_helper.h>
#include <drm/drm_probe_helper.h>
-#include <drm/drm_simple_kms_helper.h>
+#include <drm/drm_panic.h>
+#include <drm/drm_plane.h>
#include "hyperv_drm.h"
@@ -38,18 +41,6 @@ static int hyperv_blit_to_vram_rect(struct drm_framebuffer *fb,
return 0;
}
-static int hyperv_blit_to_vram_fullscreen(struct drm_framebuffer *fb,
- const struct iosys_map *map)
-{
- struct drm_rect fullscreen = {
- .x1 = 0,
- .x2 = fb->width,
- .y1 = 0,
- .y2 = fb->height,
- };
- return hyperv_blit_to_vram_rect(fb, map, &fullscreen);
-}
-
static int hyperv_connector_get_modes(struct drm_connector *connector)
{
struct hyperv_drm_device *hv = to_hv(connector->dev);
@@ -98,30 +89,66 @@ static int hyperv_check_size(struct hyperv_drm_device *hv, int w, int h,
return 0;
}
-static void hyperv_pipe_enable(struct drm_simple_display_pipe *pipe,
- struct drm_crtc_state *crtc_state,
- struct drm_plane_state *plane_state)
+static const uint32_t hyperv_formats[] = {
+ DRM_FORMAT_XRGB8888,
+};
+
+static const uint64_t hyperv_modifiers[] = {
+ DRM_FORMAT_MOD_LINEAR,
+ DRM_FORMAT_MOD_INVALID
+};
+
+static void hyperv_crtc_helper_atomic_enable(struct drm_crtc *crtc,
+ struct drm_atomic_state *state)
{
- struct hyperv_drm_device *hv = to_hv(pipe->crtc.dev);
- struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(plane_state);
+ struct hyperv_drm_device *hv = to_hv(crtc->dev);
+ struct drm_plane *plane = &hv->plane;
+ struct drm_plane_state *plane_state = plane->state;
+ struct drm_crtc_state *crtc_state = crtc->state;
hyperv_hide_hw_ptr(hv->hdev);
hyperv_update_situation(hv->hdev, 1, hv->screen_depth,
crtc_state->mode.hdisplay,
crtc_state->mode.vdisplay,
plane_state->fb->pitches[0]);
- hyperv_blit_to_vram_fullscreen(plane_state->fb, &shadow_plane_state->data[0]);
}
-static int hyperv_pipe_check(struct drm_simple_display_pipe *pipe,
- struct drm_plane_state *plane_state,
- struct drm_crtc_state *crtc_state)
+static const struct drm_crtc_helper_funcs hyperv_crtc_helper_funcs = {
+ .atomic_check = drm_crtc_helper_atomic_check,
+ .atomic_enable = hyperv_crtc_helper_atomic_enable,
+};
+
+static const struct drm_crtc_funcs hyperv_crtc_funcs = {
+ .reset = drm_atomic_helper_crtc_reset,
+ .destroy = drm_crtc_cleanup,
+ .set_config = drm_atomic_helper_set_config,
+ .page_flip = drm_atomic_helper_page_flip,
+ .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
+ .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
+};
+
+static int hyperv_plane_atomic_check(struct drm_plane *plane,
+ struct drm_atomic_state *state)
{
- struct hyperv_drm_device *hv = to_hv(pipe->crtc.dev);
+ struct drm_plane_state *plane_state = drm_atomic_get_new_plane_state(state, plane);
+ struct hyperv_drm_device *hv = to_hv(plane->dev);
struct drm_framebuffer *fb = plane_state->fb;
+ struct drm_crtc *crtc = plane_state->crtc;
+ struct drm_crtc_state *crtc_state = NULL;
+ int ret;
- if (fb->format->format != DRM_FORMAT_XRGB8888)
- return -EINVAL;
+ if (crtc)
+ crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
+
+ ret = drm_atomic_helper_check_plane_state(plane_state, crtc_state,
+ DRM_PLANE_NO_SCALING,
+ DRM_PLANE_NO_SCALING,
+ false, false);
+ if (ret)
+ return ret;
+
+ if (!plane_state->visible)
+ return 0;
if (fb->pitches[0] * fb->height > hv->fb_size) {
drm_err(&hv->dev, "fb size requested by %s for %dX%d (pitch %d) greater than %ld\n",
@@ -132,53 +159,120 @@ static int hyperv_pipe_check(struct drm_simple_display_pipe *pipe,
return 0;
}
-static void hyperv_pipe_update(struct drm_simple_display_pipe *pipe,
- struct drm_plane_state *old_state)
+static void hyperv_plane_atomic_update(struct drm_plane *plane,
+ struct drm_atomic_state *state)
{
- struct hyperv_drm_device *hv = to_hv(pipe->crtc.dev);
- struct drm_plane_state *state = pipe->plane.state;
- struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(state);
- struct drm_rect rect;
+ struct hyperv_drm_device *hv = to_hv(plane->dev);
+ struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, plane);
+ struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, plane);
+ struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(new_state);
+ struct drm_rect damage;
+ struct drm_rect dst_clip;
+ struct drm_atomic_helper_damage_iter iter;
+
+ drm_atomic_helper_damage_iter_init(&iter, old_state, new_state);
+ drm_atomic_for_each_plane_damage(&iter, &damage) {
+ dst_clip = new_state->dst;
- if (drm_atomic_helper_damage_merged(old_state, state, &rect)) {
- hyperv_blit_to_vram_rect(state->fb, &shadow_plane_state->data[0], &rect);
- hyperv_update_dirt(hv->hdev, &rect);
+ if (!drm_rect_intersect(&dst_clip, &damage))
+ continue;
+
+ hyperv_blit_to_vram_rect(new_state->fb, &shadow_plane_state->data[0], &damage);
+ hyperv_update_dirt(hv->hdev, &damage);
}
}
-static const struct drm_simple_display_pipe_funcs hyperv_pipe_funcs = {
- .enable = hyperv_pipe_enable,
- .check = hyperv_pipe_check,
- .update = hyperv_pipe_update,
- DRM_GEM_SIMPLE_DISPLAY_PIPE_SHADOW_PLANE_FUNCS,
+static int hyperv_plane_get_scanout_buffer(struct drm_plane *plane,
+ struct drm_scanout_buffer *sb)
+{
+ struct hyperv_drm_device *hv = to_hv(plane->dev);
+ struct iosys_map map = IOSYS_MAP_INIT_VADDR_IOMEM(hv->vram);
+
+ if (plane->state && plane->state->fb) {
+ sb->format = plane->state->fb->format;
+ sb->width = plane->state->fb->width;
+ sb->height = plane->state->fb->height;
+ sb->pitch[0] = plane->state->fb->pitches[0];
+ sb->map[0] = map;
+ return 0;
+ }
+ return -ENODEV;
+}
+
+static void hyperv_plane_panic_flush(struct drm_plane *plane)
+{
+ struct hyperv_drm_device *hv = to_hv(plane->dev);
+ struct drm_rect rect;
+
+ if (!plane->state || !plane->state->fb)
+ return;
+
+ rect.x1 = 0;
+ rect.y1 = 0;
+ rect.x2 = plane->state->fb->width;
+ rect.y2 = plane->state->fb->height;
+
+ hyperv_update_dirt(hv->hdev, &rect);
+}
+
+static const struct drm_plane_helper_funcs hyperv_plane_helper_funcs = {
+ DRM_GEM_SHADOW_PLANE_HELPER_FUNCS,
+ .atomic_check = hyperv_plane_atomic_check,
+ .atomic_update = hyperv_plane_atomic_update,
+ .get_scanout_buffer = hyperv_plane_get_scanout_buffer,
+ .panic_flush = hyperv_plane_panic_flush,
};
-static const uint32_t hyperv_formats[] = {
- DRM_FORMAT_XRGB8888,
+static const struct drm_plane_funcs hyperv_plane_funcs = {
+ .update_plane = drm_atomic_helper_update_plane,
+ .disable_plane = drm_atomic_helper_disable_plane,
+ .destroy = drm_plane_cleanup,
+ DRM_GEM_SHADOW_PLANE_FUNCS,
};
-static const uint64_t hyperv_modifiers[] = {
- DRM_FORMAT_MOD_LINEAR,
- DRM_FORMAT_MOD_INVALID
+static const struct drm_encoder_funcs hyperv_drm_simple_encoder_funcs_cleanup = {
+ .destroy = drm_encoder_cleanup,
};
static inline int hyperv_pipe_init(struct hyperv_drm_device *hv)
{
+ struct drm_device *dev = &hv->dev;
+ struct drm_encoder *encoder = &hv->encoder;
+ struct drm_plane *plane = &hv->plane;
+ struct drm_crtc *crtc = &hv->crtc;
+ struct drm_connector *connector = &hv->connector;
int ret;
- ret = drm_simple_display_pipe_init(&hv->dev,
- &hv->pipe,
- &hyperv_pipe_funcs,
- hyperv_formats,
- ARRAY_SIZE(hyperv_formats),
- hyperv_modifiers,
- &hv->connector);
+ ret = drm_universal_plane_init(dev, plane, 0,
+ &hyperv_plane_funcs,
+ hyperv_formats, ARRAY_SIZE(hyperv_formats),
+ hyperv_modifiers,
+ DRM_PLANE_TYPE_PRIMARY, NULL);
if (ret)
return ret;
+ drm_plane_helper_add(plane, &hyperv_plane_helper_funcs);
+ drm_plane_enable_fb_damage_clips(plane);
- drm_plane_enable_fb_damage_clips(&hv->pipe.plane);
+ ret = drm_crtc_init_with_planes(dev, crtc, plane, NULL,
+ &hyperv_crtc_funcs, NULL);
+ if (ret)
+ return ret;
+ drm_crtc_helper_add(crtc, &hyperv_crtc_helper_funcs);
- return 0;
+ encoder->possible_crtcs = drm_crtc_mask(crtc);
+ ret = drm_encoder_init(dev, encoder,
+ &hyperv_drm_simple_encoder_funcs_cleanup,
+ DRM_MODE_ENCODER_NONE, NULL);
+ if (ret)
+ return ret;
+
+ ret = hyperv_conn_init(hv);
+ if (ret) {
+ drm_err(dev, "Failed to initialized connector.\n");
+ return ret;
+ }
+
+ return drm_connector_attach_encoder(connector, encoder);
}
static enum drm_mode_status
@@ -221,12 +315,6 @@ int hyperv_mode_config_init(struct hyperv_drm_device *hv)
dev->mode_config.funcs = &hyperv_mode_config_funcs;
- ret = hyperv_conn_init(hv);
- if (ret) {
- drm_err(dev, "Failed to initialized connector.\n");
- return ret;
- }
-
ret = hyperv_pipe_init(hv);
if (ret) {
drm_err(dev, "Failed to initialized pipe.\n");