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Core Changes:

Browse Source 
- Xe Maintainers update to MAINTAINERS file.
 
 Driver Changes:
 - Use correct forcewake assertions.
 - Assert that VRAM provisioning is only done on DGFX.
 - Flush render caches before user-fence signalling on all engines.
 - Move the disable_c6 call since it was sometimes never called.
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Merge tag 'drm-xe-fixes-2024-06-13' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes

Core Changes:
- Xe Maintainers update to MAINTAINERS file.

Driver Changes:
- Use correct forcewake assertions.
- Assert that VRAM provisioning is only done on DGFX.
- Flush render caches before user-fence signalling on all engines.
- Move the disable_c6 call since it was sometimes never called.

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ZmrXV0FoBb8M0c6J@fedora
This commit is contained in:
Dave Airlie 2024-06-14 11:07:49 +10:00
commit f1909e8597
5 changed files with 38 additions and 12 deletions
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2
MAINTAINERS
View File

@ -11034,8 +11034,8 @@ F: include/uapi/drm/i915_drm.h
INTEL DRM XE DRIVER (Lunar Lake and newer)
M: Lucas De Marchi <lucas.demarchi@intel.com>
M: Oded Gabbay <ogabbay@kernel.org>
M: Thomas Hellström <thomas.hellstrom@linux.intel.com>
M: Rodrigo Vivi <rodrigo.vivi@intel.com>
L: intel-xe@lists.freedesktop.org
S: Supported
W: https://drm.pages.freedesktop.org/intel-docs/

9
drivers/gpu/drm/xe/xe_gt_idle.c
View File

@ -147,6 +147,13 @@ static const struct attribute *gt_idle_attrs[] = {
static void gt_idle_sysfs_fini(struct drm_device *drm, void *arg)
{
struct kobject *kobj = arg;
struct xe_gt *gt = kobj_to_gt(kobj->parent);
if (gt_to_xe(gt)->info.skip_guc_pc) {
XE_WARN_ON(xe_force_wake_get(gt_to_fw(gt), XE_FW_GT));
xe_gt_idle_disable_c6(gt);
xe_force_wake_put(gt_to_fw(gt), XE_FW_GT);
}
sysfs_remove_files(kobj, gt_idle_attrs);
kobject_put(kobj);
@ -199,7 +206,7 @@ void xe_gt_idle_enable_c6(struct xe_gt *gt)
void xe_gt_idle_disable_c6(struct xe_gt *gt)
{
xe_device_assert_mem_access(gt_to_xe(gt));
xe_force_wake_assert_held(gt_to_fw(gt), XE_FORCEWAKE_ALL);
xe_force_wake_assert_held(gt_to_fw(gt), XE_FW_GT);
xe_mmio_write32(gt, PG_ENABLE, 0);
xe_mmio_write32(gt, RC_CONTROL, 0);

15
drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c
View File

@ -1274,6 +1274,9 @@ static void pf_reset_vf_lmtt(struct xe_device *xe, unsigned int vfid)
struct xe_tile *tile;
unsigned int tid;
xe_assert(xe, IS_DGFX(xe));
xe_assert(xe, IS_SRIOV_PF(xe));
for_each_tile(tile, xe, tid) {
lmtt = &tile->sriov.pf.lmtt;
xe_lmtt_drop_pages(lmtt, vfid);
@ -1292,6 +1295,9 @@ static int pf_update_vf_lmtt(struct xe_device *xe, unsigned int vfid)
unsigned int tid;
int err;
xe_assert(xe, IS_DGFX(xe));
xe_assert(xe, IS_SRIOV_PF(xe));
total = 0;
for_each_tile(tile, xe, tid)
total += pf_get_vf_config_lmem(tile->primary_gt, vfid);
@ -1337,6 +1343,7 @@ fail:
static void pf_release_vf_config_lmem(struct xe_gt *gt, struct xe_gt_sriov_config *config)
{
xe_gt_assert(gt, IS_DGFX(gt_to_xe(gt)));
xe_gt_assert(gt, !xe_gt_is_media_type(gt));
lockdep_assert_held(xe_gt_sriov_pf_master_mutex(gt));
@ -1355,6 +1362,7 @@ static int pf_provision_vf_lmem(struct xe_gt *gt, unsigned int vfid, u64 size)
int err;
xe_gt_assert(gt, vfid);
xe_gt_assert(gt, IS_DGFX(xe));
xe_gt_assert(gt, !xe_gt_is_media_type(gt));
size = round_up(size, pf_get_lmem_alignment(gt));
@ -1745,11 +1753,14 @@ static void pf_reset_config_sched(struct xe_gt *gt, struct xe_gt_sriov_config *c
static void pf_release_vf_config(struct xe_gt *gt, unsigned int vfid)
{
struct xe_gt_sriov_config *config = pf_pick_vf_config(gt, vfid);
struct xe_device *xe = gt_to_xe(gt);
if (!xe_gt_is_media_type(gt)) {
pf_release_vf_config_ggtt(gt, config);
pf_release_vf_config_lmem(gt, config);
pf_update_vf_lmtt(gt_to_xe(gt), vfid);
if (IS_DGFX(xe)) {
pf_release_vf_config_lmem(gt, config);
pf_update_vf_lmtt(xe, vfid);
}
}
pf_release_config_ctxs(gt, config);
pf_release_config_dbs(gt, config);

6
drivers/gpu/drm/xe/xe_guc_pc.c
View File

@ -895,12 +895,6 @@ int xe_guc_pc_stop(struct xe_guc_pc *pc)
static void xe_guc_pc_fini(struct drm_device *drm, void *arg)
{
struct xe_guc_pc *pc = arg;
struct xe_device *xe = pc_to_xe(pc);
if (xe->info.skip_guc_pc) {
xe_gt_idle_disable_c6(pc_to_gt(pc));
return;
}
XE_WARN_ON(xe_force_wake_get(gt_to_fw(pc_to_gt(pc)), XE_FORCEWAKE_ALL));
XE_WARN_ON(xe_guc_pc_gucrc_disable(pc));

18
drivers/gpu/drm/xe/xe_ring_ops.c
View File

@ -80,6 +80,16 @@ static int emit_store_imm_ggtt(u32 addr, u32 value, u32 *dw, int i)
return i;
}
static int emit_flush_dw(u32 *dw, int i)
{
dw[i++] = MI_FLUSH_DW | MI_FLUSH_IMM_DW;
dw[i++] = 0;
dw[i++] = 0;
dw[i++] = 0;
return i;
}
static int emit_flush_imm_ggtt(u32 addr, u32 value, bool invalidate_tlb,
u32 *dw, int i)
{
@ -234,10 +244,12 @@ static void __emit_job_gen12_simple(struct xe_sched_job *job, struct xe_lrc *lrc
i = emit_bb_start(batch_addr, ppgtt_flag, dw, i);
if (job->user_fence.used)
if (job->user_fence.used) {
i = emit_flush_dw(dw, i);
i = emit_store_imm_ppgtt_posted(job->user_fence.addr,
job->user_fence.value,
dw, i);
}
i = emit_flush_imm_ggtt(xe_lrc_seqno_ggtt_addr(lrc), seqno, false, dw, i);
@ -293,10 +305,12 @@ static void __emit_job_gen12_video(struct xe_sched_job *job, struct xe_lrc *lrc,
i = emit_bb_start(batch_addr, ppgtt_flag, dw, i);
if (job->user_fence.used)
if (job->user_fence.used) {
i = emit_flush_dw(dw, i);
i = emit_store_imm_ppgtt_posted(job->user_fence.addr,
job->user_fence.value,
dw, i);
}
i = emit_flush_imm_ggtt(xe_lrc_seqno_ggtt_addr(lrc), seqno, false, dw, i);