From 59dc4632e35becca1186dbab83ac7cf8603afaa9 Mon Sep 17 00:00:00 2001 From: Michał Winiarski Date: Sun, 19 Dec 2021 23:24:58 +0200 Subject: drm/i915/display: Use to_gt() helper for GGTT accesses MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit GGTT is currently available both through i915->ggtt and gt->ggtt, and we eventually want to get rid of the i915->ggtt one. Use to_gt() for all i915->ggtt accesses to help with the future refactoring. Signed-off-by: Michał Winiarski Cc: Michal Wajdeczko Signed-off-by: Andi Shyti Reviewed-by: Sujaritha Sundaresan Reviewed-by: Matt Roper Signed-off-by: Matt Roper Link: https://patchwork.freedesktop.org/patch/msgid/20211219212500.61432-5-andi.shyti@linux.intel.com --- drivers/gpu/drm/i915/display/intel_fbdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/drm/i915/display/intel_fbdev.c') diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.c b/drivers/gpu/drm/i915/display/intel_fbdev.c index adc3a81be9f7..41d279db2be6 100644 --- a/drivers/gpu/drm/i915/display/intel_fbdev.c +++ b/drivers/gpu/drm/i915/display/intel_fbdev.c @@ -180,7 +180,7 @@ static int intelfb_create(struct drm_fb_helper *helper, struct drm_device *dev = helper->dev; struct drm_i915_private *dev_priv = to_i915(dev); struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev); - struct i915_ggtt *ggtt = &dev_priv->ggtt; + struct i915_ggtt *ggtt = to_gt(dev_priv)->ggtt; const struct i915_ggtt_view view = { .type = I915_GGTT_VIEW_NORMAL, }; -- cgit v1.2.3 From c1c04560ac038da28694a04d71958ced32964647 Mon Sep 17 00:00:00 2001 From: Jani Nikula Date: Tue, 15 Feb 2022 14:29:56 +0200 Subject: drm/i915/fbdev: add intel_fbdev_framebuffer() helper MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Wrap accessing struct intel_fbdev guts in a helper. v2: s/intel_fbdev_to_framebuffer/intel_fbdev_framebuffer/g (Ville) Reviewed-by: Ville Syrjälä Signed-off-by: Jani Nikula Link: https://patchwork.freedesktop.org/patch/msgid/20220215122957.2755529-1-jani.nikula@intel.com --- drivers/gpu/drm/i915/display/intel_display_debugfs.c | 6 +++--- drivers/gpu/drm/i915/display/intel_fbdev.c | 8 ++++++++ drivers/gpu/drm/i915/display/intel_fbdev.h | 7 +++++++ 3 files changed, 18 insertions(+), 3 deletions(-) (limited to 'drivers/gpu/drm/i915/display/intel_fbdev.c') diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c index 1a202a5c39a5..84be489c3399 100644 --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c @@ -16,6 +16,7 @@ #include "intel_dp_mst.h" #include "intel_drrs.h" #include "intel_fbc.h" +#include "intel_fbdev.h" #include "intel_hdcp.h" #include "intel_hdmi.h" #include "intel_pm.h" @@ -124,9 +125,8 @@ static int i915_gem_framebuffer_info(struct seq_file *m, void *data) struct drm_framebuffer *drm_fb; #ifdef CONFIG_DRM_FBDEV_EMULATION - if (dev_priv->fbdev && dev_priv->fbdev->helper.fb) { - fbdev_fb = to_intel_framebuffer(dev_priv->fbdev->helper.fb); - + fbdev_fb = intel_fbdev_framebuffer(dev_priv->fbdev); + if (fbdev_fb) { seq_printf(m, "fbcon size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ", fbdev_fb->base.width, fbdev_fb->base.height, diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.c b/drivers/gpu/drm/i915/display/intel_fbdev.c index adc3a81be9f7..951bbe907a55 100644 --- a/drivers/gpu/drm/i915/display/intel_fbdev.c +++ b/drivers/gpu/drm/i915/display/intel_fbdev.c @@ -680,3 +680,11 @@ void intel_fbdev_restore_mode(struct drm_device *dev) if (drm_fb_helper_restore_fbdev_mode_unlocked(&ifbdev->helper) == 0) intel_fbdev_invalidate(ifbdev); } + +struct intel_framebuffer *intel_fbdev_framebuffer(struct intel_fbdev *fbdev) +{ + if (!fbdev || !fbdev->helper.fb) + return NULL; + + return to_intel_framebuffer(fbdev->helper.fb); +} diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.h b/drivers/gpu/drm/i915/display/intel_fbdev.h index de7c84250eb5..0e95e9472fa3 100644 --- a/drivers/gpu/drm/i915/display/intel_fbdev.h +++ b/drivers/gpu/drm/i915/display/intel_fbdev.h @@ -10,6 +10,8 @@ struct drm_device; struct drm_i915_private; +struct intel_fbdev; +struct intel_framebuffer; #ifdef CONFIG_DRM_FBDEV_EMULATION int intel_fbdev_init(struct drm_device *dev); @@ -19,6 +21,7 @@ void intel_fbdev_fini(struct drm_i915_private *dev_priv); void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool synchronous); void intel_fbdev_output_poll_changed(struct drm_device *dev); void intel_fbdev_restore_mode(struct drm_device *dev); +struct intel_framebuffer *intel_fbdev_framebuffer(struct intel_fbdev *fbdev); #else static inline int intel_fbdev_init(struct drm_device *dev) { @@ -48,6 +51,10 @@ static inline void intel_fbdev_output_poll_changed(struct drm_device *dev) static inline void intel_fbdev_restore_mode(struct drm_device *dev) { } +static inline struct intel_framebuffer *intel_fbdev_framebuffer(struct intel_fbdev *fbdev) +{ + return NULL; +} #endif #endif /* __INTEL_FBDEV_H__ */ -- cgit v1.2.3 From d8b746eafc2ccedfc0d6008df7fbcd96e149ae82 Mon Sep 17 00:00:00 2001 From: Jani Nikula Date: Tue, 15 Feb 2022 14:29:57 +0200 Subject: drm/i915/fbdev: hide struct intel_fbdev in intel_fbdev.c MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit As all access to struct intel_fbdev guts is nicely stowed away in intel_fbdev.c, we can hide the struct definition there too. Reviewed-by: Ville Syrjälä Signed-off-by: Jani Nikula Link: https://patchwork.freedesktop.org/patch/msgid/20220215122957.2755529-2-jani.nikula@intel.com --- drivers/gpu/drm/i915/display/intel_display_types.h | 21 --------------------- drivers/gpu/drm/i915/display/intel_fbdev.c | 17 +++++++++++++++++ 2 files changed, 17 insertions(+), 21 deletions(-) (limited to 'drivers/gpu/drm/i915/display/intel_fbdev.c') diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index 31ecf9e97fab..b98115418ec5 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -26,7 +26,6 @@ #ifndef __INTEL_DISPLAY_TYPES_H__ #define __INTEL_DISPLAY_TYPES_H__ -#include #include #include #include @@ -38,7 +37,6 @@ #include #include #include -#include #include #include #include @@ -145,25 +143,6 @@ struct intel_framebuffer { struct i915_address_space *dpt_vm; }; -struct intel_fbdev { - struct drm_fb_helper helper; - struct intel_framebuffer *fb; - struct i915_vma *vma; - unsigned long vma_flags; - async_cookie_t cookie; - int preferred_bpp; - - /* Whether or not fbdev hpd processing is temporarily suspended */ - bool hpd_suspended : 1; - /* Set when a hotplug was received while HPD processing was - * suspended - */ - bool hpd_waiting : 1; - - /* Protects hpd_suspended */ - struct mutex hpd_lock; -}; - enum intel_hotplug_state { INTEL_HOTPLUG_UNCHANGED, INTEL_HOTPLUG_CHANGED, diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.c b/drivers/gpu/drm/i915/display/intel_fbdev.c index 951bbe907a55..837484cbcd33 100644 --- a/drivers/gpu/drm/i915/display/intel_fbdev.c +++ b/drivers/gpu/drm/i915/display/intel_fbdev.c @@ -50,6 +50,23 @@ #include "intel_fbdev.h" #include "intel_frontbuffer.h" +struct intel_fbdev { + struct drm_fb_helper helper; + struct intel_framebuffer *fb; + struct i915_vma *vma; + unsigned long vma_flags; + async_cookie_t cookie; + int preferred_bpp; + + /* Whether or not fbdev hpd processing is temporarily suspended */ + bool hpd_suspended: 1; + /* Set when a hotplug was received while HPD processing was suspended */ + bool hpd_waiting: 1; + + /* Protects hpd_suspended */ + struct mutex hpd_lock; +}; + static struct intel_frontbuffer *to_frontbuffer(struct intel_fbdev *ifbdev) { return ifbdev->fb->frontbuffer; -- cgit v1.2.3 From 235582ca96214b50fa03ea77a5e85e59d94cf358 Mon Sep 17 00:00:00 2001 From: Matthew Auld Date: Fri, 25 Feb 2022 14:54:56 +0000 Subject: drm/i915: add io_size plumbing MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit With small LMEM-BAR we need to be able to differentiate between the total size of LMEM, and how much of it is CPU mappable. The end goal is to be able to utilize the entire range, even if part of is it not CPU accessible. v2: also update intelfb_create Signed-off-by: Matthew Auld Cc: Thomas Hellström Reviewed-by: Thomas Hellström Acked-by: Nirmoy Das Link: https://patchwork.freedesktop.org/patch/msgid/20220225145502.331818-1-matthew.auld@intel.com --- drivers/gpu/drm/i915/display/intel_fbdev.c | 2 +- drivers/gpu/drm/i915/gem/i915_gem_shmem.c | 2 +- drivers/gpu/drm/i915/gem/i915_gem_stolen.c | 8 +++++--- drivers/gpu/drm/i915/gem/i915_gem_ttm.c | 2 +- drivers/gpu/drm/i915/gem/selftests/huge_pages.c | 2 +- drivers/gpu/drm/i915/gt/intel_region_lmem.c | 5 ++++- drivers/gpu/drm/i915/intel_memory_region.c | 6 ++++-- drivers/gpu/drm/i915/intel_memory_region.h | 2 ++ drivers/gpu/drm/i915/selftests/intel_memory_region.c | 8 ++++---- drivers/gpu/drm/i915/selftests/mock_region.c | 6 ++++-- drivers/gpu/drm/i915/selftests/mock_region.h | 3 ++- 11 files changed, 29 insertions(+), 17 deletions(-) (limited to 'drivers/gpu/drm/i915/display/intel_fbdev.c') diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.c b/drivers/gpu/drm/i915/display/intel_fbdev.c index fd5bc7acf08d..2cd62a187df3 100644 --- a/drivers/gpu/drm/i915/display/intel_fbdev.c +++ b/drivers/gpu/drm/i915/display/intel_fbdev.c @@ -265,7 +265,7 @@ static int intelfb_create(struct drm_fb_helper *helper, struct intel_memory_region *mem = obj->mm.region; info->apertures->ranges[0].base = mem->io_start; - info->apertures->ranges[0].size = mem->total; + info->apertures->ranges[0].size = mem->io_size; /* Use fbdev's framebuffer from lmem for discrete */ info->fix.smem_start = diff --git a/drivers/gpu/drm/i915/gem/i915_gem_shmem.c b/drivers/gpu/drm/i915/gem/i915_gem_shmem.c index 4efa821f3cb1..3a1c782ed791 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_shmem.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_shmem.c @@ -699,7 +699,7 @@ struct intel_memory_region *i915_gem_shmem_setup(struct drm_i915_private *i915, { return intel_memory_region_create(i915, 0, totalram_pages() << PAGE_SHIFT, - PAGE_SIZE, 0, + PAGE_SIZE, 0, 0, type, instance, &shmem_region_ops); } diff --git a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c index 636cdf8a73b0..0bf8f61134af 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c @@ -492,6 +492,7 @@ static int i915_gem_init_stolen(struct intel_memory_region *mem) /* Exclude the reserved region from driver use */ mem->region.end = reserved_base - 1; + mem->io_size = resource_size(&mem->region); /* It is possible for the reserved area to end before the end of stolen * memory, so just consider the start. */ @@ -751,7 +752,7 @@ static int init_stolen_lmem(struct intel_memory_region *mem) if (!io_mapping_init_wc(&mem->iomap, mem->io_start, - resource_size(&mem->region))) + mem->io_size)) return -EIO; /* @@ -806,7 +807,8 @@ i915_gem_stolen_lmem_setup(struct drm_i915_private *i915, u16 type, I915_GTT_PAGE_SIZE_4K; mem = intel_memory_region_create(i915, lmem_base, lmem_size, - min_page_size, io_start, + min_page_size, + io_start, lmem_size, type, instance, &i915_region_stolen_lmem_ops); if (IS_ERR(mem)) @@ -837,7 +839,7 @@ i915_gem_stolen_smem_setup(struct drm_i915_private *i915, u16 type, mem = intel_memory_region_create(i915, intel_graphics_stolen_res.start, resource_size(&intel_graphics_stolen_res), - PAGE_SIZE, 0, type, instance, + PAGE_SIZE, 0, 0, type, instance, &i915_region_stolen_smem_ops); if (IS_ERR(mem)) return mem; diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c index 8419096d4056..53c183f13a38 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c @@ -1103,7 +1103,7 @@ i915_gem_ttm_system_setup(struct drm_i915_private *i915, mr = intel_memory_region_create(i915, 0, totalram_pages() << PAGE_SHIFT, - PAGE_SIZE, 0, + PAGE_SIZE, 0, 0, type, instance, &ttm_system_region_ops); if (IS_ERR(mr)) diff --git a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c index 0528fe1fc9b3..dbbae53f820a 100644 --- a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c +++ b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c @@ -500,7 +500,7 @@ static int igt_mock_memory_region_huge_pages(void *arg) int bit; int err = 0; - mem = mock_region_create(i915, 0, SZ_2G, I915_GTT_PAGE_SIZE_4K, 0); + mem = mock_region_create(i915, 0, SZ_2G, I915_GTT_PAGE_SIZE_4K, 0, 0); if (IS_ERR(mem)) { pr_err("%s failed to create memory region\n", __func__); return PTR_ERR(mem); diff --git a/drivers/gpu/drm/i915/gt/intel_region_lmem.c b/drivers/gpu/drm/i915/gt/intel_region_lmem.c index fc00888ca4b2..6cecfdae07ad 100644 --- a/drivers/gpu/drm/i915/gt/intel_region_lmem.c +++ b/drivers/gpu/drm/i915/gt/intel_region_lmem.c @@ -32,7 +32,7 @@ region_lmem_init(struct intel_memory_region *mem) if (!io_mapping_init_wc(&mem->iomap, mem->io_start, - resource_size(&mem->region))) + mem->io_size)) return -EIO; ret = intel_region_ttm_init(mem); @@ -134,6 +134,7 @@ static struct intel_memory_region *setup_lmem(struct intel_gt *gt) lmem_size, min_page_size, io_start, + lmem_size, INTEL_MEMORY_LOCAL, 0, &intel_region_lmem_ops); @@ -147,6 +148,8 @@ static struct intel_memory_region *setup_lmem(struct intel_gt *gt) drm_dbg(&i915->drm, "Local memory: %pR\n", &mem->region); drm_dbg(&i915->drm, "Local memory IO start: %pa\n", &mem->io_start); + drm_info(&i915->drm, "Local memory IO size: %pa\n", + &mem->io_size); drm_info(&i915->drm, "Local memory available: %pa\n", &lmem_size); diff --git a/drivers/gpu/drm/i915/intel_memory_region.c b/drivers/gpu/drm/i915/intel_memory_region.c index 16ab62d605b1..1c841f68169a 100644 --- a/drivers/gpu/drm/i915/intel_memory_region.c +++ b/drivers/gpu/drm/i915/intel_memory_region.c @@ -100,10 +100,10 @@ static int iomemtest(struct intel_memory_region *mem, resource_size_t last, page; int err; - if (resource_size(&mem->region) < PAGE_SIZE) + if (mem->io_size < PAGE_SIZE) return 0; - last = resource_size(&mem->region) - PAGE_SIZE; + last = mem->io_size - PAGE_SIZE; /* * Quick test to check read/write access to the iomap (backing store). @@ -221,6 +221,7 @@ intel_memory_region_create(struct drm_i915_private *i915, resource_size_t size, resource_size_t min_page_size, resource_size_t io_start, + resource_size_t io_size, u16 type, u16 instance, const struct intel_memory_region_ops *ops) @@ -235,6 +236,7 @@ intel_memory_region_create(struct drm_i915_private *i915, mem->i915 = i915; mem->region = (struct resource)DEFINE_RES_MEM(start, size); mem->io_start = io_start; + mem->io_size = io_size; mem->min_page_size = min_page_size; mem->ops = ops; mem->total = size; diff --git a/drivers/gpu/drm/i915/intel_memory_region.h b/drivers/gpu/drm/i915/intel_memory_region.h index 06464b8865fc..21dcbd620758 100644 --- a/drivers/gpu/drm/i915/intel_memory_region.h +++ b/drivers/gpu/drm/i915/intel_memory_region.h @@ -68,6 +68,7 @@ struct intel_memory_region { struct resource region; resource_size_t io_start; + resource_size_t io_size; resource_size_t min_page_size; resource_size_t total; resource_size_t avail; @@ -98,6 +99,7 @@ intel_memory_region_create(struct drm_i915_private *i915, resource_size_t size, resource_size_t min_page_size, resource_size_t io_start, + resource_size_t io_size, u16 type, u16 instance, const struct intel_memory_region_ops *ops); diff --git a/drivers/gpu/drm/i915/selftests/intel_memory_region.c b/drivers/gpu/drm/i915/selftests/intel_memory_region.c index 7acba1d2135e..247f65f02bbf 100644 --- a/drivers/gpu/drm/i915/selftests/intel_memory_region.c +++ b/drivers/gpu/drm/i915/selftests/intel_memory_region.c @@ -170,7 +170,7 @@ static int igt_mock_reserve(void *arg) if (!order) return 0; - mem = mock_region_create(i915, 0, SZ_2G, I915_GTT_PAGE_SIZE_4K, 0); + mem = mock_region_create(i915, 0, SZ_2G, I915_GTT_PAGE_SIZE_4K, 0, 0); if (IS_ERR(mem)) { pr_err("failed to create memory region\n"); err = PTR_ERR(mem); @@ -383,7 +383,7 @@ static int igt_mock_splintered_region(void *arg) */ size = (SZ_4G - 1) & PAGE_MASK; - mem = mock_region_create(i915, 0, size, PAGE_SIZE, 0); + mem = mock_region_create(i915, 0, size, PAGE_SIZE, 0, 0); if (IS_ERR(mem)) return PTR_ERR(mem); @@ -471,7 +471,7 @@ static int igt_mock_max_segment(void *arg) */ size = SZ_8G; - mem = mock_region_create(i915, 0, size, PAGE_SIZE, 0); + mem = mock_region_create(i915, 0, size, PAGE_SIZE, 0, 0); if (IS_ERR(mem)) return PTR_ERR(mem); @@ -1188,7 +1188,7 @@ int intel_memory_region_mock_selftests(void) if (!i915) return -ENOMEM; - mem = mock_region_create(i915, 0, SZ_2G, I915_GTT_PAGE_SIZE_4K, 0); + mem = mock_region_create(i915, 0, SZ_2G, I915_GTT_PAGE_SIZE_4K, 0, 0); if (IS_ERR(mem)) { pr_err("failed to create memory region\n"); err = PTR_ERR(mem); diff --git a/drivers/gpu/drm/i915/selftests/mock_region.c b/drivers/gpu/drm/i915/selftests/mock_region.c index 19bff8afcaaa..467eeae6d5f0 100644 --- a/drivers/gpu/drm/i915/selftests/mock_region.c +++ b/drivers/gpu/drm/i915/selftests/mock_region.c @@ -107,7 +107,8 @@ mock_region_create(struct drm_i915_private *i915, resource_size_t start, resource_size_t size, resource_size_t min_page_size, - resource_size_t io_start) + resource_size_t io_start, + resource_size_t io_size) { int instance = ida_alloc_max(&i915->selftest.mock_region_instances, TTM_NUM_MEM_TYPES - TTM_PL_PRIV - 1, @@ -117,6 +118,7 @@ mock_region_create(struct drm_i915_private *i915, return ERR_PTR(instance); return intel_memory_region_create(i915, start, size, min_page_size, - io_start, INTEL_MEMORY_MOCK, instance, + io_start, io_size, + INTEL_MEMORY_MOCK, instance, &mock_region_ops); } diff --git a/drivers/gpu/drm/i915/selftests/mock_region.h b/drivers/gpu/drm/i915/selftests/mock_region.h index 329bf74dfaca..e36c3a433551 100644 --- a/drivers/gpu/drm/i915/selftests/mock_region.h +++ b/drivers/gpu/drm/i915/selftests/mock_region.h @@ -16,6 +16,7 @@ mock_region_create(struct drm_i915_private *i915, resource_size_t start, resource_size_t size, resource_size_t min_page_size, - resource_size_t io_start); + resource_size_t io_start, + resource_size_t io_size); #endif /* !__MOCK_REGION_H */ -- cgit v1.2.3