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authorLinus Torvalds <torvalds@linux-foundation.org>2021-02-21 14:44:44 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2021-02-21 14:44:44 -0800
commitd99676af540c2dc829999928fb81c58c80a1dce4 (patch)
treea78602eb6fa5d46d867c00ee187179ced6c18766 /drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
parent10e2ec8edece2566b40f69bae035a555ece71ab4 (diff)
parentf730f39eb981af249d57336b47cfe3925632a7fd (diff)
Merge tag 'drm-next-2021-02-19' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie: "A pretty normal tree, lots of refactoring across the board, ttm, i915, nouveau, and bunch of features in various drivers. docs: - lots of updated docs core: - require crtc to have unique primary plane - fourcc macro fix - PCI bar quirk for bar resizing - don't sent hotplug on error - move vm code to legacy - nuke hose only used on old oboslete alpha dma-buf: - kernel doc updates - improved lock tracking dp/hdmi: - DP-HDMI2.1 protocol converter support ttm: - bo size handling cleanup - release a pinned bo warning - cleanup lru handler - avoid using pages with drm_prime_sg_to_page_addr_arrays cma-helper: - prime/mmap fixes bridge: - add DP support gma500: - remove gma3600 support i915: - try eDP fast/narrow link again with fallback - Intel eDP backlight control - replace display register read/write macros - refactor intel_display.c - display power improvements - HPD code cleanup - Rocketlake display fixes - Power/backlight/RPM fixes - DG1 display fix - IVB/BYT clear residuals security fix again - make i915 mitigations options via parameter - HSW GT1 GPU hangs fixes - DG1 workaround hang fixes - TGL DMAR hang avoidance - Lots of GT fixes - follow on fixes for residuals clear - gen7 per-engine-reset support - HDCP2.2 + HDCP1.4 GEN12 DP MST support - TGL clear color support - backlight refactoring - VRR/Adaptive sync enabling on DP/EDP for TGL+ - async flips for all ilk+ amdgpu: - rework IH ring handling (Vega/Navi) - rework HDP handling (Vega/Navi) - swSMU updates for renoir/vangogh - Sienna Cichild overdrive support - FP16 on DCE8-11 support - GPU reset on navy flounder/vangogh - SMU profile fixes for APU - SR-IOV fixes - Vangogh SMU fixes - fan speed control fixes amdkfd: - config handling fix - buffer free fix - recursive lock warnings fix nouveau: - Turing MMU fault recovery fixes - mDP connectors reporting fix - audio locking fixes - rework engines/instances code to support new scheme tegra: - VIC newer firmware support - display/gr2d fixes for older tegra - pm reference leak fix mediatek: - SOC MT8183 support - decouple sub driver + share mtk mutex driver radeon: - PCI resource fix for some platforms ingenic: - pm support - 8-bit delta RGB panels vmwgfx: - managed driver helpers vc4: - BCM2711 DSI1 support - converted to atomic helpers - enable 10/12 bpc outputs - gem prime mmap helpers - CEC fix omap: - use degamma table - CTM support - rework DSI support imx: - stack usage fixes - drm managed support - imx-tve clock provider leak fix - rcar-du: - default mode fixes - conversion to managed API hisilicon: - use simple encoder vkms: - writeback connector support d3: - BT2020 support" * tag 'drm-next-2021-02-19' of git://anongit.freedesktop.org/drm/drm: (1459 commits) drm/amdgpu: Set reference clock to 100Mhz on Renoir (v2) drm/radeon: OLAND boards don't have VCE drm/amdkfd: Fix recursive lock warnings drm/amd/display: Add FPU wrappers to dcn21_validate_bandwidth() drm/amd/display: Fix potential integer overflow drm/amdgpu/display: remove hdcp_srm sysfs on device removal drm/amdgpu: fix CGTS_TCC_DISABLE register offset on gfx10.3 drm/i915/gt: Correct surface base address for renderclear drm/i915: Disallow plane x+w>stride on ilk+ with X-tiling drm/nouveau/top/ga100: initial support drm/nouveau/top: add ioctrl/nvjpg drm/nouveau/privring: rename from ibus drm/nouveau/nvkm: remove nvkm_subdev.index drm/nouveau/nvkm: determine subdev id/order from layout drm/nouveau/vic: switch to instanced constructor drm/nouveau/sw: switch to instanced constructor drm/nouveau/sec2: switch to instanced constructor drm/nouveau/sec: switch to instanced constructor drm/nouveau/pm: switch to instanced constructor drm/nouveau/nvenc: switch to instanced constructor ...
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c72
1 files changed, 67 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 37639214cbbb..84d2eaa38101 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -29,6 +29,7 @@
#include "amdgpu.h"
#include "amdgpu_gfx.h"
+#include "amdgpu_ring.h"
#include "vi.h"
#include "vi_structs.h"
#include "vid.h"
@@ -1923,8 +1924,7 @@ static int gfx_v8_0_compute_ring_init(struct amdgpu_device *adev, int ring_id,
+ ((ring->me - 1) * adev->gfx.mec.num_pipe_per_mec)
+ ring->pipe;
- hw_prio = amdgpu_gfx_is_high_priority_compute_queue(adev, ring->pipe,
- ring->queue) ?
+ hw_prio = amdgpu_gfx_is_high_priority_compute_queue(adev, ring) ?
AMDGPU_GFX_PIPE_PRIO_HIGH : AMDGPU_RING_PRIO_DEFAULT;
/* type-2 packets are deprecated on MEC, use type-3 instead */
r = amdgpu_ring_init(adev, ring, 1024,
@@ -4442,8 +4442,7 @@ static void gfx_v8_0_mqd_set_priority(struct amdgpu_ring *ring, struct vi_mqd *m
struct amdgpu_device *adev = ring->adev;
if (ring->funcs->type == AMDGPU_RING_TYPE_COMPUTE) {
- if (amdgpu_gfx_is_high_priority_compute_queue(adev, ring->pipe,
- ring->queue)) {
+ if (amdgpu_gfx_is_high_priority_compute_queue(adev, ring)) {
mqd->cp_hqd_pipe_priority = AMDGPU_GFX_PIPE_PRIO_HIGH;
mqd->cp_hqd_queue_priority =
AMDGPU_GFX_QUEUE_PRIORITY_MAXIMUM;
@@ -6847,6 +6846,66 @@ static void gfx_v8_0_emit_mem_sync_compute(struct amdgpu_ring *ring)
amdgpu_ring_write(ring, 0x0000000A); /* poll interval */
}
+
+/* mmSPI_WCL_PIPE_PERCENT_CS[0-7]_DEFAULT values are same */
+#define mmSPI_WCL_PIPE_PERCENT_CS_DEFAULT 0x0000007f
+static void gfx_v8_0_emit_wave_limit_cs(struct amdgpu_ring *ring,
+ uint32_t pipe, bool enable)
+{
+ uint32_t val;
+ uint32_t wcl_cs_reg;
+
+ val = enable ? 0x1 : mmSPI_WCL_PIPE_PERCENT_CS_DEFAULT;
+
+ switch (pipe) {
+ case 0:
+ wcl_cs_reg = mmSPI_WCL_PIPE_PERCENT_CS0;
+ break;
+ case 1:
+ wcl_cs_reg = mmSPI_WCL_PIPE_PERCENT_CS1;
+ break;
+ case 2:
+ wcl_cs_reg = mmSPI_WCL_PIPE_PERCENT_CS2;
+ break;
+ case 3:
+ wcl_cs_reg = mmSPI_WCL_PIPE_PERCENT_CS3;
+ break;
+ default:
+ DRM_DEBUG("invalid pipe %d\n", pipe);
+ return;
+ }
+
+ amdgpu_ring_emit_wreg(ring, wcl_cs_reg, val);
+
+}
+
+#define mmSPI_WCL_PIPE_PERCENT_GFX_DEFAULT 0x07ffffff
+static void gfx_v8_0_emit_wave_limit(struct amdgpu_ring *ring, bool enable)
+{
+ struct amdgpu_device *adev = ring->adev;
+ uint32_t val;
+ int i;
+
+ /* mmSPI_WCL_PIPE_PERCENT_GFX is 7 bit multiplier register to limit
+ * number of gfx waves. Setting 5 bit will make sure gfx only gets
+ * around 25% of gpu resources.
+ */
+ val = enable ? 0x1f : mmSPI_WCL_PIPE_PERCENT_GFX_DEFAULT;
+ amdgpu_ring_emit_wreg(ring, mmSPI_WCL_PIPE_PERCENT_GFX, val);
+
+ /* Restrict waves for normal/low priority compute queues as well
+ * to get best QoS for high priority compute jobs.
+ *
+ * amdgpu controls only 1st ME(0-3 CS pipes).
+ */
+ for (i = 0; i < adev->gfx.mec.num_pipe_per_mec; i++) {
+ if (i != ring->pipe)
+ gfx_v8_0_emit_wave_limit_cs(ring, i, enable);
+
+ }
+
+}
+
static const struct amd_ip_funcs gfx_v8_0_ip_funcs = {
.name = "gfx_v8_0",
.early_init = gfx_v8_0_early_init,
@@ -6930,7 +6989,9 @@ static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_compute = {
7 + /* gfx_v8_0_ring_emit_pipeline_sync */
VI_FLUSH_GPU_TLB_NUM_WREG * 5 + 7 + /* gfx_v8_0_ring_emit_vm_flush */
7 + 7 + 7 + /* gfx_v8_0_ring_emit_fence_compute x3 for user fence, vm fence */
- 7, /* gfx_v8_0_emit_mem_sync_compute */
+ 7 + /* gfx_v8_0_emit_mem_sync_compute */
+ 5 + /* gfx_v8_0_emit_wave_limit for updating mmSPI_WCL_PIPE_PERCENT_GFX register */
+ 15, /* for updating 3 mmSPI_WCL_PIPE_PERCENT_CS registers */
.emit_ib_size = 7, /* gfx_v8_0_ring_emit_ib_compute */
.emit_ib = gfx_v8_0_ring_emit_ib_compute,
.emit_fence = gfx_v8_0_ring_emit_fence_compute,
@@ -6944,6 +7005,7 @@ static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_compute = {
.pad_ib = amdgpu_ring_generic_pad_ib,
.emit_wreg = gfx_v8_0_ring_emit_wreg,
.emit_mem_sync = gfx_v8_0_emit_mem_sync_compute,
+ .emit_wave_limit = gfx_v8_0_emit_wave_limit,
};
static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_kiq = {