[PATCH 5/6] drm/i915/guc: More debug print updates - GuC SLPC
Michal Wajdeczko
michal.wajdeczko at intel.com
Fri Feb 3 10:00:43 UTC 2023
On 03.02.2023 01:11, John.C.Harrison at Intel.com wrote:
> From: John Harrison <John.C.Harrison at Intel.com>
>
> Update a bunch more debug prints to use the new GT based scheme.
>
> Signed-off-by: John Harrison <John.C.Harrison at Intel.com>
> ---
> drivers/gpu/drm/i915/gt/uc/intel_guc_rc.c | 8 +--
> drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c | 60 ++++++++-------------
> 2 files changed, 26 insertions(+), 42 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_rc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_rc.c
> index b5855091cf6a9..23b287cefb943 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_rc.c
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_rc.c
> @@ -6,6 +6,7 @@
> #include <linux/string_helpers.h>
>
> #include "intel_guc_rc.h"
> +#include "intel_guc_print.h"
> #include "gt/intel_gt.h"
> #include "i915_drv.h"
>
> @@ -70,13 +71,12 @@ static int __guc_rc_control(struct intel_guc *guc, bool enable)
>
> ret = guc_action_control_gucrc(guc, enable);
> if (ret) {
> - i915_probe_error(guc_to_gt(guc)->i915, "Failed to %s GuC RC (%pe)\n",
> - str_enable_disable(enable), ERR_PTR(ret));
> + guc_probe_error(guc, "Failed to %s RC (%pe)\n",
> + str_enable_disable(enable), ERR_PTR(ret));
> return ret;
> }
>
> - drm_info(>->i915->drm, "GuC RC: %s\n",
> - str_enabled_disabled(enable));
> + guc_info(guc, "RC: %s\n", str_enabled_disabled(enable));
>
> return 0;
> }
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c
> index 63464933cbceb..91f4fa499cec4 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c
> @@ -9,6 +9,7 @@
> #include "i915_drv.h"
> #include "i915_reg.h"
> #include "intel_guc_slpc.h"
> +#include "intel_guc_print.h"
> #include "intel_mchbar_regs.h"
> #include "gt/intel_gt.h"
> #include "gt/intel_gt_regs.h"
> @@ -171,14 +172,13 @@ static int guc_action_slpc_query(struct intel_guc *guc, u32 offset)
> static int slpc_query_task_state(struct intel_guc_slpc *slpc)
> {
> struct intel_guc *guc = slpc_to_guc(slpc);
> - struct drm_i915_private *i915 = slpc_to_i915(slpc);
> u32 offset = intel_guc_ggtt_offset(guc, slpc->vma);
> int ret;
>
> ret = guc_action_slpc_query(guc, offset);
> if (unlikely(ret))
> - i915_probe_error(i915, "Failed to query task state (%pe)\n",
> - ERR_PTR(ret));
> + guc_probe_error(guc, "Failed to query task state (%pe)\n",
> + ERR_PTR(ret));
>
> drm_clflush_virt_range(slpc->vaddr, SLPC_PAGE_SIZE_BYTES);
>
> @@ -188,15 +188,14 @@ static int slpc_query_task_state(struct intel_guc_slpc *slpc)
> static int slpc_set_param(struct intel_guc_slpc *slpc, u8 id, u32 value)
> {
> struct intel_guc *guc = slpc_to_guc(slpc);
> - struct drm_i915_private *i915 = slpc_to_i915(slpc);
> int ret;
>
> GEM_BUG_ON(id >= SLPC_MAX_PARAM);
>
> ret = guc_action_slpc_set_param(guc, id, value);
> if (ret)
> - i915_probe_error(i915, "Failed to set param %d to %u (%pe)\n",
> - id, value, ERR_PTR(ret));
> + guc_probe_error(guc, "Failed to set param %d to %u (%pe)\n",
> + id, value, ERR_PTR(ret));
>
> return ret;
> }
> @@ -212,8 +211,8 @@ static int slpc_unset_param(struct intel_guc_slpc *slpc, u8 id)
>
> static int slpc_force_min_freq(struct intel_guc_slpc *slpc, u32 freq)
> {
> - struct drm_i915_private *i915 = slpc_to_i915(slpc);
> struct intel_guc *guc = slpc_to_guc(slpc);
> + struct drm_i915_private *i915 = slpc_to_i915(slpc);
> intel_wakeref_t wakeref;
> int ret = 0;
>
> @@ -236,8 +235,7 @@ static int slpc_force_min_freq(struct intel_guc_slpc *slpc, u32 freq)
> SLPC_PARAM_GLOBAL_MIN_GT_UNSLICE_FREQ_MHZ,
> freq);
> if (ret)
> - drm_notice(&i915->drm,
> - "Failed to send set_param for min freq(%d): (%d)\n",
> + guc_notice(guc, "Failed to send set_param for min freq(%d): (%d)\n",
> freq, ret);
> }
>
> @@ -267,7 +265,6 @@ static void slpc_boost_work(struct work_struct *work)
> int intel_guc_slpc_init(struct intel_guc_slpc *slpc)
> {
> struct intel_guc *guc = slpc_to_guc(slpc);
> - struct drm_i915_private *i915 = slpc_to_i915(slpc);
> u32 size = PAGE_ALIGN(sizeof(struct slpc_shared_data));
> int err;
>
> @@ -275,9 +272,7 @@ int intel_guc_slpc_init(struct intel_guc_slpc *slpc)
>
> err = intel_guc_allocate_and_map_vma(guc, size, &slpc->vma, (void **)&slpc->vaddr);
> if (unlikely(err)) {
> - i915_probe_error(i915,
> - "Failed to allocate SLPC struct (err=%pe)\n",
> - ERR_PTR(err));
> + guc_probe_error(guc, "Failed to allocate SLPC struct (err=%pe)\n", ERR_PTR(err));
> return err;
> }
>
> @@ -338,7 +333,6 @@ static int guc_action_slpc_reset(struct intel_guc *guc, u32 offset)
>
> static int slpc_reset(struct intel_guc_slpc *slpc)
> {
> - struct drm_i915_private *i915 = slpc_to_i915(slpc);
> struct intel_guc *guc = slpc_to_guc(slpc);
> u32 offset = intel_guc_ggtt_offset(guc, slpc->vma);
> int ret;
> @@ -346,15 +340,15 @@ static int slpc_reset(struct intel_guc_slpc *slpc)
> ret = guc_action_slpc_reset(guc, offset);
>
> if (unlikely(ret < 0)) {
> - i915_probe_error(i915, "SLPC reset action failed (%pe)\n",
> - ERR_PTR(ret));
> + guc_probe_error(guc, "SLPC reset action failed (%pe)\n",
> + ERR_PTR(ret));
> return ret;
> }
>
> if (!ret) {
> if (wait_for(slpc_is_running(slpc), SLPC_RESET_TIMEOUT_MS)) {
> - i915_probe_error(i915, "SLPC not enabled! State = %s\n",
> - slpc_get_state_string(slpc));
> + guc_probe_error(guc, "SLPC not enabled! State = %s\n",
> + slpc_get_state_string(slpc));
> return -EIO;
> }
> }
> @@ -495,8 +489,8 @@ int intel_guc_slpc_set_min_freq(struct intel_guc_slpc *slpc, u32 val)
> SLPC_PARAM_IGNORE_EFFICIENT_FREQUENCY,
> val < slpc->rp1_freq);
> if (ret) {
> - i915_probe_error(i915, "Failed to toggle efficient freq (%pe)\n",
> - ERR_PTR(ret));
> + guc_probe_error(slpc_to_guc(slpc), "Failed to toggle efficient freq (%pe)\n",
> + ERR_PTR(ret));
> goto out;
> }
>
> @@ -611,15 +605,12 @@ static int slpc_set_softlimits(struct intel_guc_slpc *slpc)
>
> static bool is_slpc_min_freq_rpmax(struct intel_guc_slpc *slpc)
> {
> - struct drm_i915_private *i915 = slpc_to_i915(slpc);
> int slpc_min_freq;
> int ret;
>
> ret = intel_guc_slpc_get_min_freq(slpc, &slpc_min_freq);
> if (ret) {
> - drm_err(&i915->drm,
> - "Failed to get min freq: (%d)\n",
> - ret);
> + guc_err(slpc_to_guc(slpc), "Failed to get min freq: (%d)\n", ret);
> return false;
> }
>
> @@ -685,9 +676,7 @@ int intel_guc_slpc_override_gucrc_mode(struct intel_guc_slpc *slpc, u32 mode)
> with_intel_runtime_pm(&i915->runtime_pm, wakeref) {
> ret = slpc_set_param(slpc, SLPC_PARAM_PWRGATE_RC_MODE, mode);
> if (ret)
> - drm_err(&i915->drm,
> - "Override gucrc mode %d failed %d\n",
> - mode, ret);
> + guc_err(slpc_to_guc(slpc), "Override gucrc mode %d failed %d\n", mode, ret);
nit: in other message this is named as "RC" not "gucrc"
> }
>
> return ret;
> @@ -702,9 +691,7 @@ int intel_guc_slpc_unset_gucrc_mode(struct intel_guc_slpc *slpc)
> with_intel_runtime_pm(&i915->runtime_pm, wakeref) {
> ret = slpc_unset_param(slpc, SLPC_PARAM_PWRGATE_RC_MODE);
> if (ret)
> - drm_err(&i915->drm,
> - "Unsetting gucrc mode failed %d\n",
> - ret);
> + guc_err(slpc_to_guc(slpc), "Unsetting gucrc mode failed %d\n", ret);
> }
>
> return ret;
> @@ -725,7 +712,7 @@ int intel_guc_slpc_unset_gucrc_mode(struct intel_guc_slpc *slpc)
> */
> int intel_guc_slpc_enable(struct intel_guc_slpc *slpc)
> {
> - struct drm_i915_private *i915 = slpc_to_i915(slpc);
> + struct intel_guc *guc = slpc_to_guc(slpc);
> int ret;
>
> GEM_BUG_ON(!slpc->vma);
> @@ -734,8 +721,7 @@ int intel_guc_slpc_enable(struct intel_guc_slpc *slpc)
>
> ret = slpc_reset(slpc);
> if (unlikely(ret < 0)) {
> - i915_probe_error(i915, "SLPC Reset event returned (%pe)\n",
> - ERR_PTR(ret));
> + guc_probe_error(guc, "SLPC Reset event returned (%pe)\n", ERR_PTR(ret));
> return ret;
> }
>
> @@ -743,7 +729,7 @@ int intel_guc_slpc_enable(struct intel_guc_slpc *slpc)
> if (unlikely(ret < 0))
> return ret;
>
> - intel_guc_pm_intrmsk_enable(to_gt(i915));
> + intel_guc_pm_intrmsk_enable(slpc_to_gt(slpc));
>
> slpc_get_rp_values(slpc);
>
> @@ -753,16 +739,14 @@ int intel_guc_slpc_enable(struct intel_guc_slpc *slpc)
> /* Set SLPC max limit to RP0 */
> ret = slpc_use_fused_rp0(slpc);
> if (unlikely(ret)) {
> - i915_probe_error(i915, "Failed to set SLPC max to RP0 (%pe)\n",
> - ERR_PTR(ret));
> + guc_probe_error(guc, "Failed to set SLPC max to RP0 (%pe)\n", ERR_PTR(ret));
> return ret;
> }
>
> /* Revert SLPC min/max to softlimits if necessary */
> ret = slpc_set_softlimits(slpc);
> if (unlikely(ret)) {
> - i915_probe_error(i915, "Failed to set SLPC softlimits (%pe)\n",
> - ERR_PTR(ret));
> + guc_probe_error(guc, "Failed to set SLPC softlimits (%pe)\n", ERR_PTR(ret));
> return ret;
> }
>
Acked-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
but better if we should be more consistent when printing error codes and
maybe while around worth to update all to %pe ?
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