linux-kernel - [PATCH][next] drm/i915: make array states static const

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Message-Id: <20210915112702.12783-1-colin.king@canonical.com>
Date:   Wed, 15 Sep 2021 12:27:02 +0100
From:   Colin King <colin.king@...onical.com>
To:     Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH][next] drm/i915: make array states static const

From: Colin Ian King <colin.king@...onical.com>

Don't populate the read-only array states on the stack but instead it
static. Also makes the object code smaller.

Signed-off-by: Colin Ian King <colin.king@...onical.com>
---
 drivers/gpu/drm/i915/display/intel_display_power.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index cce1a926fcc1..a60710348613 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -893,7 +893,7 @@ static u32
 sanitize_target_dc_state(struct drm_i915_private *dev_priv,
 			 u32 target_dc_state)
 {
-	u32 states[] = {
+	static const u32 states[] = {
 		DC_STATE_EN_UPTO_DC6,
 		DC_STATE_EN_UPTO_DC5,
 		DC_STATE_EN_DC3CO,
-- 
2.32.0