From: Matthew Brost <matthew.brost@intel.com>
To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org
Cc: daniele.ceraolospurio@intel.com, john.c.harrison@intel.com
Subject: Re: [PATCH 39/51] drm/i915/guc: Connect reset modparam updates to GuC policy flags
Date: Fri, 16 Jul 2021 13:04:50 -0700 [thread overview]
Message-ID: <20210716200450.GA27372@sdutt-i7> (raw)
In-Reply-To: <20210716201724.54804-40-matthew.brost@intel.com>
On Fri, Jul 16, 2021 at 01:17:12PM -0700, Matthew Brost wrote:
> From: John Harrison <John.C.Harrison@Intel.com>
>
> Changing the reset module parameter has no effect on a running GuC.
> The corresponding entry in the ADS must be updated and then the GuC
> informed via a Host2GuC message.
>
> The new debugfs interface to module parameters allows this to happen.
> However, connecting the parameter data address back to anything useful
> is messy. One option would be to pass a new private data structure
> address through instead of just the parameter pointer. However, that
> means having a new (and different) data structure for each parameter
> and a new (and different) write function for each parameter. This
> method keeps everything generic by instead using a string lookup on
> the directory entry name.
>
> Signed-off-by: John Harrison <john.c.harrison@intel.com>
> Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
> ---
> drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c | 2 +-
> drivers/gpu/drm/i915/i915_debugfs_params.c | 31 ++++++++++++++++++++++
> 2 files changed, 32 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
> index 2ad5fcd4e1b7..c6d0b762d82c 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
> @@ -99,7 +99,7 @@ static int guc_action_policies_update(struct intel_guc *guc, u32 policy_offset)
> policy_offset
> };
>
> - return intel_guc_send(guc, action, ARRAY_SIZE(action));
> + return intel_guc_send_busy_loop(guc, action, ARRAY_SIZE(action), 0, true);
> }
>
> int intel_guc_global_policies_update(struct intel_guc *guc)
> diff --git a/drivers/gpu/drm/i915/i915_debugfs_params.c b/drivers/gpu/drm/i915/i915_debugfs_params.c
> index 4e2b077692cb..8ecd8b42f048 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs_params.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs_params.c
> @@ -6,9 +6,20 @@
> #include <linux/kernel.h>
>
> #include "i915_debugfs_params.h"
> +#include "gt/intel_gt.h"
> +#include "gt/uc/intel_guc.h"
> #include "i915_drv.h"
> #include "i915_params.h"
>
> +#define MATCH_DEBUGFS_NODE_NAME(_file, _name) (strcmp((_file)->f_path.dentry->d_name.name, (_name)) == 0)
> +
> +#define GET_I915(i915, name, ptr) \
> + do { \
> + struct i915_params *params; \
> + params = container_of(((void *) (ptr)), typeof(*params), name); \
> + (i915) = container_of(params, typeof(*(i915)), params); \
> + } while(0)
> +
> /* int param */
> static int i915_param_int_show(struct seq_file *m, void *data)
> {
> @@ -24,6 +35,16 @@ static int i915_param_int_open(struct inode *inode, struct file *file)
> return single_open(file, i915_param_int_show, inode->i_private);
> }
>
> +static int notify_guc(struct drm_i915_private *i915)
> +{
> + int ret = 0;
> +
> + if (intel_uc_uses_guc_submission(&i915->gt.uc))
> + ret = intel_guc_global_policies_update(&i915->gt.uc.guc);
> +
> + return ret;
> +}
> +
> static ssize_t i915_param_int_write(struct file *file,
> const char __user *ubuf, size_t len,
> loff_t *offp)
> @@ -81,8 +102,10 @@ static ssize_t i915_param_uint_write(struct file *file,
> const char __user *ubuf, size_t len,
> loff_t *offp)
> {
> + struct drm_i915_private *i915;
> struct seq_file *m = file->private_data;
> unsigned int *value = m->private;
> + unsigned int old = *value;
> int ret;
>
> ret = kstrtouint_from_user(ubuf, len, 0, value);
> @@ -95,6 +118,14 @@ static ssize_t i915_param_uint_write(struct file *file,
> *value = b;
> }
>
> + if (!ret && MATCH_DEBUGFS_NODE_NAME(file, "reset")) {
> + GET_I915(i915, reset, value);
> +
> + ret = notify_guc(i915);
> + if (ret)
> + *value = old;
> + }
> +
> return ret ?: len;
> }
>
> --
> 2.28.0
>
next prev parent reply other threads:[~2021-07-16 20:16 UTC|newest]
Thread overview: 110+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-16 20:16 [PATCH 00/51] GuC submission support Matthew Brost
2021-07-16 20:16 ` [PATCH 01/51] drm/i915/guc: Add new GuC interface defines and structures Matthew Brost
2021-07-16 20:16 ` [PATCH 02/51] drm/i915/guc: Remove GuC stage descriptor, add LRC descriptor Matthew Brost
2021-07-16 20:16 ` [PATCH 03/51] drm/i915/guc: Add LRC descriptor context lookup array Matthew Brost
2021-07-16 20:16 ` [PATCH 04/51] drm/i915/guc: Implement GuC submission tasklet Matthew Brost
2021-07-19 23:01 ` John Harrison
2021-07-19 22:55 ` Matthew Brost
2021-07-20 0:26 ` John Harrison
2021-07-16 20:16 ` [PATCH 05/51] drm/i915/guc: Add bypass tasklet submission path to GuC Matthew Brost
2021-07-16 20:16 ` [PATCH 06/51] drm/i915/guc: Implement GuC context operations for new inteface Matthew Brost
2021-07-20 0:23 ` John Harrison
2021-07-20 2:45 ` Matthew Brost
2021-07-20 0:51 ` Daniele Ceraolo Spurio
2021-07-20 4:04 ` Matthew Brost
2021-07-21 23:51 ` Daniele Ceraolo Spurio
2021-07-22 7:57 ` [Intel-gfx] " Michal Wajdeczko
2021-07-22 15:48 ` Matthew Brost
2021-07-16 20:16 ` [PATCH 07/51] drm/i915/guc: Insert fence on context when deregistering Matthew Brost
2021-07-16 20:16 ` [PATCH 08/51] drm/i915/guc: Defer context unpin until scheduling is disabled Matthew Brost
2021-07-16 20:16 ` [PATCH 09/51] drm/i915/guc: Disable engine barriers with GuC during unpin Matthew Brost
2021-07-16 20:16 ` [PATCH 10/51] drm/i915/guc: Extend deregistration fence to schedule disable Matthew Brost
2021-07-16 20:16 ` [PATCH 11/51] drm/i915: Disable preempt busywait when using GuC scheduling Matthew Brost
2021-07-16 20:16 ` [PATCH 12/51] drm/i915/guc: Ensure request ordering via completion fences Matthew Brost
2021-07-19 23:46 ` Daniele Ceraolo Spurio
2021-07-20 2:48 ` Matthew Brost
2021-07-20 2:50 ` Matthew Brost
2021-07-16 20:16 ` [PATCH 13/51] drm/i915/guc: Disable semaphores when using GuC scheduling Matthew Brost
2021-07-20 0:33 ` John Harrison
2021-07-16 20:16 ` [PATCH 14/51] drm/i915/guc: Ensure G2H response has space in buffer Matthew Brost
2021-07-16 20:16 ` [PATCH 15/51] drm/i915/guc: Update intel_gt_wait_for_idle to work with GuC Matthew Brost
2021-07-20 1:03 ` John Harrison
2021-07-20 1:53 ` Matthew Brost
2021-07-20 19:49 ` John Harrison
2021-07-16 20:16 ` [PATCH 16/51] drm/i915/guc: Update GuC debugfs to support new GuC Matthew Brost
2021-07-20 1:13 ` John Harrison
2021-07-16 20:16 ` [PATCH 17/51] drm/i915/guc: Add several request trace points Matthew Brost
2021-07-20 1:27 ` John Harrison
2021-07-20 2:10 ` Matthew Brost
2021-07-16 20:16 ` [PATCH 18/51] drm/i915: Add intel_context tracing Matthew Brost
2021-07-16 20:16 ` [PATCH 19/51] drm/i915/guc: GuC virtual engines Matthew Brost
2021-07-19 23:33 ` Daniele Ceraolo Spurio
2021-07-19 23:27 ` Matthew Brost
2021-07-19 23:42 ` Daniele Ceraolo Spurio
2021-07-19 23:32 ` Matthew Brost
2021-07-16 20:16 ` [PATCH 20/51] drm/i915: Track 'serial' counts for " Matthew Brost
2021-07-20 1:28 ` John Harrison
2021-07-20 1:54 ` Matthew Brost
2021-07-20 16:47 ` Matthew Brost
2021-07-16 20:16 ` [PATCH 21/51] drm/i915: Hold reference to intel_context over life of i915_request Matthew Brost
2021-07-16 20:16 ` [PATCH 22/51] drm/i915/guc: Disable bonding extension with GuC submission Matthew Brost
2021-07-16 20:16 ` [PATCH 23/51] drm/i915/guc: Direct all breadcrumbs for a class to single breadcrumbs Matthew Brost
2021-07-20 19:45 ` John Harrison
2021-07-22 12:46 ` [Intel-gfx] " Tvrtko Ursulin
2021-07-26 22:25 ` Matthew Brost
2021-07-16 20:16 ` [PATCH 24/51] drm/i915: Add i915_sched_engine destroy vfunc Matthew Brost
2021-07-20 19:55 ` John Harrison
2021-07-20 19:53 ` Matthew Brost
2021-07-16 20:16 ` [PATCH 25/51] drm/i915: Move active request tracking to a vfunc Matthew Brost
2021-07-20 20:05 ` John Harrison
2021-07-16 20:16 ` [PATCH 26/51] drm/i915/guc: Reset implementation for new GuC interface Matthew Brost
2021-07-20 20:19 ` John Harrison
2021-07-20 20:59 ` Matthew Brost
2021-07-16 20:17 ` [PATCH 27/51] drm/i915: Reset GPU immediately if submission is disabled Matthew Brost
2021-07-16 20:17 ` [PATCH 28/51] drm/i915/guc: Add disable interrupts to guc sanitize Matthew Brost
2021-07-16 20:17 ` [PATCH 29/51] drm/i915/guc: Suspend/resume implementation for new interface Matthew Brost
2021-07-16 20:17 ` [PATCH 30/51] drm/i915/guc: Handle context reset notification Matthew Brost
2021-07-20 20:29 ` John Harrison
2021-07-20 20:38 ` Matthew Brost
2021-07-16 20:17 ` [PATCH 31/51] drm/i915/guc: Handle engine reset failure notification Matthew Brost
2021-07-16 20:17 ` [PATCH 32/51] drm/i915/guc: Enable the timer expired interrupt for GuC Matthew Brost
2021-07-16 20:17 ` [PATCH 33/51] drm/i915/guc: Provide mmio list to be saved/restored on engine reset Matthew Brost
2021-07-22 4:47 ` Matthew Brost
2021-07-16 20:17 ` [PATCH 34/51] drm/i915/guc: Don't complain about reset races Matthew Brost
2021-07-16 20:17 ` [PATCH 35/51] drm/i915/guc: Enable GuC engine reset Matthew Brost
2021-07-16 20:17 ` [PATCH 36/51] drm/i915/guc: Capture error state on context reset Matthew Brost
2021-07-16 20:17 ` [PATCH 37/51] drm/i915/guc: Fix for error capture after full GPU reset with GuC Matthew Brost
2021-07-16 20:17 ` [PATCH 38/51] drm/i915/guc: Hook GuC scheduling policies up Matthew Brost
2021-07-16 20:17 ` [PATCH 39/51] drm/i915/guc: Connect reset modparam updates to GuC policy flags Matthew Brost
2021-07-16 20:04 ` Matthew Brost [this message]
2021-07-16 20:17 ` [PATCH 40/51] drm/i915/guc: Include scheduling policies in the debugfs state dump Matthew Brost
2021-07-16 20:17 ` [PATCH 41/51] drm/i915/guc: Add golden context to GuC ADS Matthew Brost
2021-07-19 17:24 ` [Intel-gfx] " Matthew Brost
2021-07-19 18:25 ` John Harrison
2021-07-19 18:30 ` Matthew Brost
2021-07-16 20:17 ` [PATCH 42/51] drm/i915/guc: Implement banned contexts for GuC submission Matthew Brost
2021-07-20 21:41 ` John Harrison
2021-07-16 20:17 ` [PATCH 43/51] drm/i915/guc: Support request cancellation Matthew Brost
2021-07-22 19:56 ` Daniele Ceraolo Spurio
2021-07-22 20:13 ` Matthew Brost
2021-07-16 20:17 ` [PATCH 44/51] drm/i915/selftest: Better error reporting from hangcheck selftest Matthew Brost
2021-07-16 20:13 ` [Intel-gfx] " Matthew Brost
2021-07-16 20:17 ` [PATCH 45/51] drm/i915/selftest: Fix workarounds selftest for GuC submission Matthew Brost
2021-07-20 17:14 ` [Intel-gfx] " Matthew Brost
2021-07-16 20:17 ` [PATCH 46/51] drm/i915/selftest: Fix MOCS " Matthew Brost
2021-07-16 23:57 ` Matthew Brost
2021-07-16 20:17 ` [PATCH 47/51] drm/i915/selftest: Increase some timeouts in live_requests Matthew Brost
2021-07-20 21:46 ` John Harrison
2021-07-22 8:13 ` [Intel-gfx] " Tvrtko Ursulin
2021-07-16 20:17 ` [PATCH 48/51] drm/i915/selftest: Fix hangcheck self test for GuC submission Matthew Brost
2021-07-16 23:43 ` Matthew Brost
2021-07-16 20:17 ` [PATCH 49/51] drm/i915/selftest: Bump selftest timeouts for hangcheck Matthew Brost
2021-07-16 22:23 ` Matthew Brost
2021-07-22 8:17 ` [Intel-gfx] " Tvrtko Ursulin
2021-07-16 20:17 ` [PATCH 50/51] drm/i915/guc: Implement GuC priority management Matthew Brost
2021-07-22 20:26 ` Daniele Ceraolo Spurio
2021-07-22 21:38 ` Matthew Brost
2021-07-22 21:50 ` Daniele Ceraolo Spurio
2021-07-22 21:55 ` Matthew Brost
2021-07-16 20:17 ` [PATCH 51/51] drm/i915/guc: Unblock GuC submission on Gen11+ Matthew Brost
2021-07-19 9:06 ` [Intel-gfx] [PATCH 00/51] GuC submission support Tvrtko Ursulin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210716200450.GA27372@sdutt-i7 \
--to=matthew.brost@intel.com \
--cc=daniele.ceraolospurio@intel.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=intel-gfx@lists.freedesktop.org \
--cc=john.c.harrison@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).