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authorLinus Torvalds <torvalds@linux-foundation.org>2019-07-15 19:04:27 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-07-15 19:04:27 -0700
commitbe8454afc50f43016ca8b6130d9673bdd0bd56ec (patch)
tree897e49c1ccadeed9b083a3ffc13f0dd2d6d7d874 /drivers/gpu/drm/drm_debugfs_crc.c
parentfec88ab0af9706b2201e5daf377c5031c62d11f7 (diff)
parent3729fe2bc2a01f4cc1aa88be8f64af06084c87d6 (diff)
Merge tag 'drm-next-2019-07-16' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie: "The biggest thing in this is the AMD Navi GPU support, this again contains a bunch of header files that are large. These are the new AMD RX5700 GPUs that just recently became available. New drivers: - ST-Ericsson MCDE driver - Ingenic JZ47xx SoC UAPI change: - HDR source metadata property Core: - HDR inforframes and EDID parsing - drm hdmi infoframe unpacking - remove prime sg_table caching into dma-buf - New gem vram helpers to reduce driver code - Lots of drmP.h removal - reservation fencing fix - documentation updates - drm_fb_helper_connector removed - mode name command handler rewrite fbcon: - Remove the fbcon notifiers ttm: - forward progress fixes dma-buf: - make mmap call optional - debugfs refcount fixes - dma-fence free with pending signals fix - each dma-buf gets an inode Panels: - Lots of additional panel bindings amdgpu: - initial navi10 support - avoid hw reset - HDR metadata support - new thermal sensors for vega asics - RAS fixes - use HMM rather than MMU notifier - xgmi topology via kfd - SR-IOV fixes - driver reload fixes - DC use a core bpc attribute - Aux fixes for DC - Bandwidth calc updates for DC - Clock handling refactor - kfd VEGAM support vmwgfx: - Coherent memory support changes i915: - HDR Support - HDMI i2c link - Icelake multi-segmented gamma support - GuC firmware update - Mule Creek Canyon PCH support for EHL - EHL platform updtes - move i915.alpha_support to i915.force_probe - runtime PM refactoring - VBT parsing refactoring - DSI fixes - struct mutex dependency reduction - GEM code reorg mali-dp: - Komeda driver features msm: - dsi vs EPROBE_DEFER fixes - msm8998 snapdragon 835 support - a540 gpu support - mdp5 and dpu interconnect support exynos: - drmP.h removal tegra: - misc fixes tda998x: - audio support improvements - pixel repeated mode support - quantisation range handling corrections - HDMI vendor info fix armada: - interlace support fix - overlay/video plane register handling refactor - add gamma support rockchip: - RX3328 support panfrost: - expose perf counters via hidden ioctls vkms: - enumerate CRC sources list ast: - rework BO handling mgag200: - rework BO handling dw-hdmi: - suspend/resume support rcar-du: - R8A774A1 Soc Support - LVDS dual-link mode support - Additional formats - Misc fixes omapdrm: - DSI command mode display support stm - fb modifier support - runtime PM support sun4i: - use vmap ops vc4: - binner bo binding rework v3d: - compute shader support - resync/sync fixes - job management refactoring lima: - NULL pointer in irq handler fix - scheduler default timeout virtio: - fence seqno support - trace events bochs: - misc fixes tc458767: - IRQ/HDP handling sii902x: - HDMI audio support atmel-hlcdc: - misc fixes meson: - zpos support" * tag 'drm-next-2019-07-16' of git://anongit.freedesktop.org/drm/drm: (1815 commits) Revert "Merge branch 'vmwgfx-next' of git://people.freedesktop.org/~thomash/linux into drm-next" Revert "mm: adjust apply_to_pfn_range interface for dropped token." mm: adjust apply_to_pfn_range interface for dropped token. drm/amdgpu/navi10: add uclk activity sensor drm/amdgpu: properly guard the generic discovery code drm/amdgpu: add missing documentation on new module parameters drm/amdgpu: don't invalidate caches in RELEASE_MEM, only do the writeback drm/amd/display: avoid 64-bit division drm/amdgpu/psp11: simplify the ucode register logic drm/amdgpu: properly guard DC support in navi code drm/amd/powerplay: vega20: fix uninitialized variable use drm/amd/display: dcn20: include linux/delay.h amdgpu: make pmu support optional drm/amd/powerplay: Zero initialize current_rpm in vega20_get_fan_speed_percent drm/amd/powerplay: Zero initialize freq in smu_v11_0_get_current_clk_freq drm/amd/powerplay: Use memset to initialize metrics structs drm/amdgpu/mes10.1: Fix header guard drm/amd/powerplay: add temperature sensor support for navi10 drm/amdgpu: fix scheduler timeout calc drm/amdgpu: Prepare for hmm_range_register API change (v2) ...
Diffstat (limited to 'drivers/gpu/drm/drm_debugfs_crc.c')
-rw-r--r--drivers/gpu/drm/drm_debugfs_crc.c46
1 files changed, 20 insertions, 26 deletions
diff --git a/drivers/gpu/drm/drm_debugfs_crc.c b/drivers/gpu/drm/drm_debugfs_crc.c
index 00e743153e94..7ca486d750e9 100644
--- a/drivers/gpu/drm/drm_debugfs_crc.c
+++ b/drivers/gpu/drm/drm_debugfs_crc.c
@@ -29,7 +29,14 @@
#include <linux/circ_buf.h>
#include <linux/ctype.h>
#include <linux/debugfs.h>
-#include <drm/drmP.h>
+#include <linux/poll.h>
+#include <linux/uaccess.h>
+
+#include <drm/drm_crtc.h>
+#include <drm/drm_debugfs_crc.h>
+#include <drm/drm_drv.h>
+#include <drm/drm_print.h>
+
#include "drm_internal.h"
/**
@@ -344,33 +351,19 @@ static const struct file_operations drm_crtc_crc_data_fops = {
.release = crtc_crc_release,
};
-int drm_debugfs_crtc_crc_add(struct drm_crtc *crtc)
+void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc)
{
- struct dentry *crc_ent, *ent;
+ struct dentry *crc_ent;
if (!crtc->funcs->set_crc_source || !crtc->funcs->verify_crc_source)
- return 0;
+ return;
crc_ent = debugfs_create_dir("crc", crtc->debugfs_entry);
- if (!crc_ent)
- return -ENOMEM;
-
- ent = debugfs_create_file("control", S_IRUGO, crc_ent, crtc,
- &drm_crtc_crc_control_fops);
- if (!ent)
- goto error;
-
- ent = debugfs_create_file("data", S_IRUGO, crc_ent, crtc,
- &drm_crtc_crc_data_fops);
- if (!ent)
- goto error;
-
- return 0;
-
-error:
- debugfs_remove_recursive(crc_ent);
- return -ENOMEM;
+ debugfs_create_file("control", S_IRUGO, crc_ent, crtc,
+ &drm_crtc_crc_control_fops);
+ debugfs_create_file("data", S_IRUGO, crc_ent, crtc,
+ &drm_crtc_crc_data_fops);
}
/**
@@ -389,12 +382,13 @@ int drm_crtc_add_crc_entry(struct drm_crtc *crtc, bool has_frame,
struct drm_crtc_crc *crc = &crtc->crc;
struct drm_crtc_crc_entry *entry;
int head, tail;
+ unsigned long flags;
- spin_lock(&crc->lock);
+ spin_lock_irqsave(&crc->lock, flags);
/* Caller may not have noticed yet that userspace has stopped reading */
if (!crc->entries) {
- spin_unlock(&crc->lock);
+ spin_unlock_irqrestore(&crc->lock, flags);
return -EINVAL;
}
@@ -405,7 +399,7 @@ int drm_crtc_add_crc_entry(struct drm_crtc *crtc, bool has_frame,
bool was_overflow = crc->overflow;
crc->overflow = true;
- spin_unlock(&crc->lock);
+ spin_unlock_irqrestore(&crc->lock, flags);
if (!was_overflow)
DRM_ERROR("Overflow of CRC buffer, userspace reads too slow.\n");
@@ -421,7 +415,7 @@ int drm_crtc_add_crc_entry(struct drm_crtc *crtc, bool has_frame,
head = (head + 1) & (DRM_CRC_ENTRIES_NR - 1);
crc->head = head;
- spin_unlock(&crc->lock);
+ spin_unlock_irqrestore(&crc->lock, flags);
wake_up_interruptible(&crc->wq);