From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/gpu/drm/i915/i915_suspend.c | 75 ++++++++++++-------------------------
1 files changed, 25 insertions(+), 50 deletions(-)
diff --git a/kernel/drivers/gpu/drm/i915/i915_suspend.c b/kernel/drivers/gpu/drm/i915/i915_suspend.c
index 8f3aa4d..7b64e71 100644
--- a/kernel/drivers/gpu/drm/i915/i915_suspend.c
+++ b/kernel/drivers/gpu/drm/i915/i915_suspend.c
@@ -24,24 +24,35 @@
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
-#include <drm/drmP.h>
-#include <drm/i915_drm.h>
-#include "intel_drv.h"
+#include "display/intel_fbc.h"
+#include "display/intel_gmbus.h"
+#include "display/intel_vga.h"
+
+#include "i915_drv.h"
#include "i915_reg.h"
+#include "i915_suspend.h"
static void i915_save_display(struct drm_i915_private *dev_priv)
{
+ struct pci_dev *pdev = dev_priv->drm.pdev;
+
/* Display arbitration control */
if (INTEL_GEN(dev_priv) <= 4)
dev_priv->regfile.saveDSPARB = I915_READ(DSPARB);
- /* save FBC interval */
- if (HAS_FBC(dev_priv) && INTEL_GEN(dev_priv) <= 4 && !IS_G4X(dev_priv))
- dev_priv->regfile.saveFBC_CONTROL = I915_READ(FBC_CONTROL);
+ if (IS_GEN(dev_priv, 4))
+ pci_read_config_word(pdev, GCDGMBUS,
+ &dev_priv->regfile.saveGCDGMBUS);
}
static void i915_restore_display(struct drm_i915_private *dev_priv)
{
+ struct pci_dev *pdev = dev_priv->drm.pdev;
+
+ if (IS_GEN(dev_priv, 4))
+ pci_write_config_word(pdev, GCDGMBUS,
+ dev_priv->regfile.saveGCDGMBUS);
+
/* Display arbitration */
if (INTEL_GEN(dev_priv) <= 4)
I915_WRITE(DSPARB, dev_priv->regfile.saveDSPARB);
@@ -49,45 +60,29 @@
/* only restore FBC info on the platform that supports FBC*/
intel_fbc_global_disable(dev_priv);
- /* restore FBC interval */
- if (HAS_FBC(dev_priv) && INTEL_GEN(dev_priv) <= 4 && !IS_G4X(dev_priv))
- I915_WRITE(FBC_CONTROL, dev_priv->regfile.saveFBC_CONTROL);
+ intel_vga_redisable(dev_priv);
- i915_redisable_vga(dev_priv);
+ intel_gmbus_reset(dev_priv);
}
int i915_save_state(struct drm_i915_private *dev_priv)
{
- struct pci_dev *pdev = dev_priv->drm.pdev;
int i;
-
- mutex_lock(&dev_priv->drm.struct_mutex);
i915_save_display(dev_priv);
- if (IS_GEN4(dev_priv))
- pci_read_config_word(pdev, GCDGMBUS,
- &dev_priv->regfile.saveGCDGMBUS);
-
- /* Cache mode state */
- if (INTEL_GEN(dev_priv) < 7)
- dev_priv->regfile.saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0);
-
- /* Memory Arbitration state */
- dev_priv->regfile.saveMI_ARB_STATE = I915_READ(MI_ARB_STATE);
-
/* Scratch space */
- if (IS_GEN2(dev_priv) && IS_MOBILE(dev_priv)) {
+ if (IS_GEN(dev_priv, 2) && IS_MOBILE(dev_priv)) {
for (i = 0; i < 7; i++) {
dev_priv->regfile.saveSWF0[i] = I915_READ(SWF0(i));
dev_priv->regfile.saveSWF1[i] = I915_READ(SWF1(i));
}
for (i = 0; i < 3; i++)
dev_priv->regfile.saveSWF3[i] = I915_READ(SWF3(i));
- } else if (IS_GEN2(dev_priv)) {
+ } else if (IS_GEN(dev_priv, 2)) {
for (i = 0; i < 7; i++)
dev_priv->regfile.saveSWF1[i] = I915_READ(SWF1(i));
- } else if (HAS_GMCH_DISPLAY(dev_priv)) {
+ } else if (HAS_GMCH(dev_priv)) {
for (i = 0; i < 16; i++) {
dev_priv->regfile.saveSWF0[i] = I915_READ(SWF0(i));
dev_priv->regfile.saveSWF1[i] = I915_READ(SWF1(i));
@@ -95,44 +90,28 @@
for (i = 0; i < 3; i++)
dev_priv->regfile.saveSWF3[i] = I915_READ(SWF3(i));
}
-
- mutex_unlock(&dev_priv->drm.struct_mutex);
return 0;
}
int i915_restore_state(struct drm_i915_private *dev_priv)
{
- struct pci_dev *pdev = dev_priv->drm.pdev;
int i;
- mutex_lock(&dev_priv->drm.struct_mutex);
-
- if (IS_GEN4(dev_priv))
- pci_write_config_word(pdev, GCDGMBUS,
- dev_priv->regfile.saveGCDGMBUS);
i915_restore_display(dev_priv);
- /* Cache mode state */
- if (INTEL_GEN(dev_priv) < 7)
- I915_WRITE(CACHE_MODE_0, dev_priv->regfile.saveCACHE_MODE_0 |
- 0xffff0000);
-
- /* Memory arbitration state */
- I915_WRITE(MI_ARB_STATE, dev_priv->regfile.saveMI_ARB_STATE | 0xffff0000);
-
/* Scratch space */
- if (IS_GEN2(dev_priv) && IS_MOBILE(dev_priv)) {
+ if (IS_GEN(dev_priv, 2) && IS_MOBILE(dev_priv)) {
for (i = 0; i < 7; i++) {
I915_WRITE(SWF0(i), dev_priv->regfile.saveSWF0[i]);
I915_WRITE(SWF1(i), dev_priv->regfile.saveSWF1[i]);
}
for (i = 0; i < 3; i++)
I915_WRITE(SWF3(i), dev_priv->regfile.saveSWF3[i]);
- } else if (IS_GEN2(dev_priv)) {
+ } else if (IS_GEN(dev_priv, 2)) {
for (i = 0; i < 7; i++)
I915_WRITE(SWF1(i), dev_priv->regfile.saveSWF1[i]);
- } else if (HAS_GMCH_DISPLAY(dev_priv)) {
+ } else if (HAS_GMCH(dev_priv)) {
for (i = 0; i < 16; i++) {
I915_WRITE(SWF0(i), dev_priv->regfile.saveSWF0[i]);
I915_WRITE(SWF1(i), dev_priv->regfile.saveSWF1[i]);
@@ -140,10 +119,6 @@
for (i = 0; i < 3; i++)
I915_WRITE(SWF3(i), dev_priv->regfile.saveSWF3[i]);
}
-
- mutex_unlock(&dev_priv->drm.struct_mutex);
-
- intel_i2c_reset(dev_priv);
return 0;
}
--
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