Patch "drm/i915: Include the PLL name in the debug messages" has been added to the 6.8-stable tree

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This is a note to let you know that I've just added the patch titled

    drm/i915: Include the PLL name in the debug messages

to the 6.8-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drm-i915-include-the-pll-name-in-the-debug-messages.patch
and it can be found in the queue-6.8 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From d283ee5662c6bf2f3771a36b926f6988e6dddfc6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@xxxxxxxxxxxxxxx>
Date: Tue, 23 Jan 2024 11:31:35 +0200
Subject: drm/i915: Include the PLL name in the debug messages
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

commit d283ee5662c6bf2f3771a36b926f6988e6dddfc6 upstream.

Make the log easier to parse by including the name of the PLL
in the debug prints regarding said PLL.

Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20240123093137.9133-1-ville.syrjala@xxxxxxxxxxxxxxx
Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_dpll_mgr.c |   39 +++++++++++++-------------
 1 file changed, 20 insertions(+), 19 deletions(-)

--- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
+++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
@@ -4475,25 +4475,25 @@ verify_single_dpll_state(struct drm_i915
 	u8 pipe_mask;
 	bool active;
 
-	drm_dbg_kms(&i915->drm, "%s\n", pll->info->name);
-
 	active = intel_dpll_get_hw_state(i915, pll, &dpll_hw_state);
 
 	if (!(pll->info->flags & INTEL_DPLL_ALWAYS_ON)) {
 		I915_STATE_WARN(i915, !pll->on && pll->active_mask,
-				"pll in active use but not on in sw tracking\n");
+				"%s: pll in active use but not on in sw tracking\n",
+				pll->info->name);
 		I915_STATE_WARN(i915, pll->on && !pll->active_mask,
-				"pll is on but not used by any active pipe\n");
+				"%s: pll is on but not used by any active pipe\n",
+				pll->info->name);
 		I915_STATE_WARN(i915, pll->on != active,
-				"pll on state mismatch (expected %i, found %i)\n",
-				pll->on, active);
+				"%s: pll on state mismatch (expected %i, found %i)\n",
+				pll->info->name, pll->on, active);
 	}
 
 	if (!crtc) {
 		I915_STATE_WARN(i915,
 				pll->active_mask & ~pll->state.pipe_mask,
-				"more active pll users than references: 0x%x vs 0x%x\n",
-				pll->active_mask, pll->state.pipe_mask);
+				"%s: more active pll users than references: 0x%x vs 0x%x\n",
+				pll->info->name, pll->active_mask, pll->state.pipe_mask);
 
 		return;
 	}
@@ -4502,21 +4502,22 @@ verify_single_dpll_state(struct drm_i915
 
 	if (new_crtc_state->hw.active)
 		I915_STATE_WARN(i915, !(pll->active_mask & pipe_mask),
-				"pll active mismatch (expected pipe %c in active mask 0x%x)\n",
-				pipe_name(crtc->pipe), pll->active_mask);
+				"%s: pll active mismatch (expected pipe %c in active mask 0x%x)\n",
+				pll->info->name, pipe_name(crtc->pipe), pll->active_mask);
 	else
 		I915_STATE_WARN(i915, pll->active_mask & pipe_mask,
-				"pll active mismatch (didn't expect pipe %c in active mask 0x%x)\n",
-				pipe_name(crtc->pipe), pll->active_mask);
+				"%s: pll active mismatch (didn't expect pipe %c in active mask 0x%x)\n",
+				pll->info->name, pipe_name(crtc->pipe), pll->active_mask);
 
 	I915_STATE_WARN(i915, !(pll->state.pipe_mask & pipe_mask),
-			"pll enabled crtcs mismatch (expected 0x%x in 0x%x)\n",
-			pipe_mask, pll->state.pipe_mask);
+			"%s: pll enabled crtcs mismatch (expected 0x%x in 0x%x)\n",
+			pll->info->name, pipe_mask, pll->state.pipe_mask);
 
 	I915_STATE_WARN(i915,
 			pll->on && memcmp(&pll->state.hw_state, &dpll_hw_state,
 					  sizeof(dpll_hw_state)),
-			"pll hw state mismatch\n");
+			"%s: pll hw state mismatch\n",
+			pll->info->name);
 }
 
 void intel_shared_dpll_state_verify(struct intel_atomic_state *state,
@@ -4538,11 +4539,11 @@ void intel_shared_dpll_state_verify(stru
 		struct intel_shared_dpll *pll = old_crtc_state->shared_dpll;
 
 		I915_STATE_WARN(i915, pll->active_mask & pipe_mask,
-				"pll active mismatch (didn't expect pipe %c in active mask (0x%x))\n",
-				pipe_name(crtc->pipe), pll->active_mask);
+				"%s: pll active mismatch (didn't expect pipe %c in active mask (0x%x))\n",
+				pll->info->name, pipe_name(crtc->pipe), pll->active_mask);
 		I915_STATE_WARN(i915, pll->state.pipe_mask & pipe_mask,
-				"pll enabled crtcs mismatch (found pipe %c in enabled mask (0x%x))\n",
-				pipe_name(crtc->pipe), pll->state.pipe_mask);
+				"%s: pll enabled crtcs mismatch (found pipe %c in enabled mask (0x%x))\n",
+				pll->info->name, pipe_name(crtc->pipe), pll->state.pipe_mask);
 	}
 }
 


Patches currently in stable-queue which might be from ville.syrjala@xxxxxxxxxxxxxxx are

queue-6.8/drm-i915-try-to-preserve-the-current-shared_dpll-for-fastset-on-type-c-ports.patch
queue-6.8/drm-i915-replace-a-memset-with-zero-initialization.patch
queue-6.8/drm-i915-add-missing-to-__assign_str-macros-in-trace.patch
queue-6.8/drm-i915-include-the-pll-name-in-the-debug-messages.patch
queue-6.8/drm-i915-suppress-old-pll-pipe_mask-checks-for-mg-tc-tbt-plls.patch




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