[coreboot-gerrit] New patch to review for coreboot: intel/lynxpoint, broadwell: Fix eDP display with Intel VBIOS/GOP and Intel HD Graphics driver for Windows.
Prabal Saha (coolstarorganization@gmail.com)
gerrit at coreboot.org
Sun Jun 19 05:57:19 CEST 2016
Prabal Saha (coolstarorganization at gmail.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/15261
-gerrit
commit 415369086f0e8f10ab73d1619cdaea927d0e2017
Author: Prabal Saha <coolstarorganization at gmail.com>
Date: Sat Jun 18 20:47:21 2016 -0700
intel/lynxpoint,broadwell: Fix eDP display with Intel VBIOS/GOP and Intel HD Graphics driver for Windows.
Change-Id: I6d8252e3de396887c84533e355f41693b9ea7514
Test: Boot peppy and auron_paine to Windows. Install Intel HD Graphics driver with full video acceleration and internal display functional.
Signed-off-by: Prabal Saha <coolstarorganization at gmail.com>
---
src/soc/intel/broadwell/lpc.c | 4 ++--
src/southbridge/intel/lynxpoint/lpc.c | 14 +++++++-------
2 files changed, 9 insertions(+), 9 deletions(-)
diff --git a/src/soc/intel/broadwell/lpc.c b/src/soc/intel/broadwell/lpc.c
index 7e57b23..e641e1d 100644
--- a/src/soc/intel/broadwell/lpc.c
+++ b/src/soc/intel/broadwell/lpc.c
@@ -284,7 +284,7 @@ static const struct reg_script pch_pm_init_script[] = {
REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x3350, 0x022ddfff),
REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x3354, 0x00000001),
/* Power Optimizer */
- REG_MMIO_OR32(RCBA_BASE_ADDRESS + 0x33d4, 0x08000000),
+ /*REG_MMIO_OR32(RCBA_BASE_ADDRESS + 0x33d4, 0x08000000),
REG_MMIO_OR32(RCBA_BASE_ADDRESS + 0x33c8, 0x08000080),
REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x2b10, 0x0000883c),
REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x2b14, 0x1e0a4616),
@@ -293,7 +293,7 @@ static const struct reg_script pch_pm_init_script[] = {
REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x3a80, 0x05145005),
REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x3a84, 0x00001005),
REG_MMIO_OR32(RCBA_BASE_ADDRESS + 0x33d4, 0x2fff2fb1),
- REG_MMIO_OR32(RCBA_BASE_ADDRESS + 0x33c8, 0x00008000),
+ REG_MMIO_OR32(RCBA_BASE_ADDRESS + 0x33c8, 0x00008000),*/ //breaks detection of eDP display by intel vbios and intel windows graphics driver
REG_SCRIPT_END
};
diff --git a/src/southbridge/intel/lynxpoint/lpc.c b/src/southbridge/intel/lynxpoint/lpc.c
index f4c3826..180e55c 100644
--- a/src/southbridge/intel/lynxpoint/lpc.c
+++ b/src/southbridge/intel/lynxpoint/lpc.c
@@ -346,13 +346,13 @@ const struct rcba_config_instruction lpt_lp_pm_rcba[] = {
RCBA_RMW_REG_32(0x33b4, 0, 0x00007001),
RCBA_RMW_REG_32(0x3350, 0, 0x022ddfff),
RCBA_RMW_REG_32(0x3354, 0, 0x00000001),
- RCBA_RMW_REG_32(0x33d4, ~0, 0x08000000), /* Power Optimizer */
- RCBA_RMW_REG_32(0x33c8, ~0, 0x08000080), /* Power Optimizer */
- RCBA_RMW_REG_32(0x2b10, 0, 0x0000883c), /* Power Optimizer */
- RCBA_RMW_REG_32(0x2b14, 0, 0x1e0a4616), /* Power Optimizer */
- RCBA_RMW_REG_32(0x2b24, 0, 0x40000005), /* Power Optimizer */
- RCBA_RMW_REG_32(0x2b20, 0, 0x0005db01), /* Power Optimizer */
- RCBA_RMW_REG_32(0x3a80, 0, 0x05145005),
+ //RCBA_RMW_REG_32(0x33d4, ~0, 0x08000000), /* Power Optimizer */ //breaks detection of eDP display by intel vbios and intel windows graphics driver
+ //RCBA_RMW_REG_32(0x33c8, ~0, 0x08000080), /* Power Optimizer */
+ //RCBA_RMW_REG_32(0x2b10, 0, 0x0000883c), /* Power Optimizer */
+ //RCBA_RMW_REG_32(0x2b14, 0, 0x1e0a4616), /* Power Optimizer */
+ //RCBA_RMW_REG_32(0x2b24, 0, 0x40000005), /* Power Optimizer */
+ //RCBA_RMW_REG_32(0x2b20, 0, 0x0005db01), /* Power Optimizer */
+ //RCBA_RMW_REG_32(0x3a80, 0, 0x05145005),
RCBA_END_CONFIG
};
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