Origen: Set FIMD as the default display path
PATCH 1/1 Origen: Set FIMD as the default display path
On EXYNOS4210, there are three paths for display data to be processed, namely MIE, MDNIE and FIMD. On Origen board, FIMD display controller is used.
---
This patch is rebased on master branch of u-boot-samsung tree.
board/samsung/origen/lowlevel_init.S | 13 +++++++++++++ board/samsung/origen/origen_setup.h | 7 +++++++ 2 files changed, 20 insertions(+)
board/samsung/origen/lowlevel_init.S +13 -0
@@ -89,6 +89,7 @@ lowlevel_init: bl uart_asm_init bl arch_cpu_init bl tzpc_init + bl display_init pop {pc} wakeup_reset:
@@ -96,6 +97,7 @@ wakeup_reset: bl mem_ctrl_asm_init bl arch_cpu_init bl tzpc_init + bl display_init exit_wakeup: /* Load return address and jump to kernel */
@@ -355,3 +357,14 @@ uart_asm_init: nop nop +/* Setting default display path to FIMD */ +display_init: + push {lr} + ldr r0, =EXYNOS4_SYSREG_BASE + + /* DISPLAY_CONTROL */ + ldr r1, =DISPLAY_CONTROL_VAL + ldr r2, =DISPLAY_CONTROL_OFFSET + str r1, [r0, r2] + + pop {pc}
board/samsung/origen/origen_setup.h +7 -0
@@ -83,6 +83,8 @@#define VPLL_CON0_OFFSET 0xC120#define VPLL_CON1_OFFSET 0xC124 +#define DISPLAY_CONTROL_OFFSET 0x210 +/* DMC: DRAM Controllor Register offsets */ #define DMC_CONCONTROL 0x00#define DMC_MEMCONTROL 0x04
@@ -485,6 +487,11 @@ | (VPLL_MRR << 24) \ | (VPLL_MFR << 16) \ | (VPLL_K << 0)) + +/* DISPLAY_CONTROL */ +#define FIMDBYPASS_LBLK0 0x1 +#define DISPLAY_CONTROL_VAL (FIMDBYPASS_LBLK0 << 1) +/* * UART GPIO_A0/GPIO_A1 Control Register Value * 0x2: UART Function
Signature · 1 line
1.7.9.5
PATCH 1/1 Origen: Set FIMD as the default display path
On EXYNOS4210, there are three paths for display data to be processed, namely MIE, MDNIE and FIMD. On Origen board, FIMD display controller is used.
---
This patch is rebased on master branch of u-boot-samsung tree.
board/samsung/origen/lowlevel_init.S | 13 +++++++++++++ board/samsung/origen/origen_setup.h | 7 +++++++ 2 files changed, 20 insertions(+)
board/samsung/origen/lowlevel_init.S +13 -0
@@ -89,6 +89,7 @@ lowlevel_init: bl uart_asm_init bl arch_cpu_init bl tzpc_init + bl display_init pop {pc} wakeup_reset:
@@ -96,6 +97,7 @@ wakeup_reset: bl mem_ctrl_asm_init bl arch_cpu_init bl tzpc_init + bl display_init exit_wakeup: /* Load return address and jump to kernel */
@@ -355,3 +357,14 @@ uart_asm_init: nop nop +/* Setting default display path to FIMD */ +display_init: + push {lr} + ldr r0, =EXYNOS4_SYSREG_BASE + + /* DISPLAY_CONTROL */ + ldr r1, =DISPLAY_CONTROL_VAL + ldr r2, =DISPLAY_CONTROL_OFFSET + str r1, [r0, r2] + + pop {pc}
board/samsung/origen/origen_setup.h +7 -0
@@ -83,6 +83,8 @@#define VPLL_CON0_OFFSET 0xC120#define VPLL_CON1_OFFSET 0xC124 +#define DISPLAY_CONTROL_OFFSET 0x210 +/* DMC: DRAM Controllor Register offsets */ #define DMC_CONCONTROL 0x00#define DMC_MEMCONTROL 0x04
@@ -485,6 +487,11 @@ | (VPLL_MRR << 24) \ | (VPLL_MFR << 16) \ | (VPLL_K << 0)) + +/* DISPLAY_CONTROL */ +#define FIMDBYPASS_LBLK0 0x1 +#define DISPLAY_CONTROL_VAL (FIMDBYPASS_LBLK0 << 1) +/* * UART GPIO_A0/GPIO_A1 Control Register Value * 0x2: UART Function
Signature · 1 line
1.7.9.5
PATCH 1/1 Origen: Set FIMD as the default display path
Dear Tushar Behera,
Quoted 4 lines · Tushar Behera
On EXYNOS4210, there are three paths for display data to be processed, namely MIE, MDNIE and FIMD. On Origen board, FIMD display controller is used.
Quoted 8 lines
Signed-off-by Tushar Behera <[email protected]>---
This patch is rebased on master branch of u-boot-samsung tree.board/samsung/origen/lowlevel_init.S | 13 +++++++++++++ board/samsung/origen/origen_setup.h | 7 +++++++ 2 files changed, 20 insertions(+)
Since the lowlevel_init.S is removed, this patch cannot be applied.
Thanks,
Minkyu Kang.
PATCH 1/1 Origen: Set FIMD as the default display path
Quoted 11 lines · Minkyu Kang
Dear Tushar Behera,
Quoted 8 lines · Tushar Behera
On EXYNOS4210, there are three paths for display data to be processed, namely MIE, MDNIE and FIMD. On Origen board, FIMD display controller is used.
Signed-off-by Tushar Behera <[email protected]>---
This patch is rebased on master branch of u-boot-samsung tree.
Quoted 7 lines
Quoted 4 lines
board/samsung/origen/lowlevel_init.S | 13 +++++++++++++ board/samsung/origen/origen_setup.h | 7 +++++++ 2 files changed, 20 insertions(+)Since the
lowlevel_init.Sis removed, this patch cannot be applied.
I will rebase to current tip and send again.
Quoted 3 lines
Thanks,
Minkyu Kang.
Thanks.
Signature · 1 line
Tushar Behera
PATCH 1/1 Origen: Set FIMD as the default display path
+Donghwa Lee
Hi Tushar,
I think this setting already exists for Exynos4 in u-boot.
Are you not getting display without your patch?
Have a look at this:
http://git.denx.de/cgi-bin/gitweb.cgi?p=u-boot.git;a=blob;f=arch/arm/cpu/armv7/exynos/system.c;h=ad12445832cf7415e52e8593b595ab33a0b4d375;hb=HEAD#l33
Regards,
Ajay Kumar
Quoted 34 lines · Tushar Behera
Quoted 11 lines · Minkyu Kang
Dear Tushar Behera,
Quoted 8 lines · Tushar Behera
On EXYNOS4210, there are three paths for display data to be processed, namely MIE, MDNIE and FIMD. On Origen board, FIMD display controller is used.
Signed-off-by Tushar Behera <[email protected]>---
This patch is rebased on master branch of u-boot-samsung tree.Quoted 7 lines
Quoted 4 lines
board/samsung/origen/lowlevel_init.S | 13 +++++++++++++ board/samsung/origen/origen_setup.h | 7 +++++++ 2 files changed, 20 insertions(+)Since the
lowlevel_init.Sis removed, this patch cannot be applied.I will rebase to current tip and send again.
Quoted 3 lines
Thanks,
Minkyu Kang.Thanks.
--
Tushar Behera
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PATCH 1/1 Origen: Set FIMD as the default display path
Quoted 7 lines · Ajay kumar
+Donghwa Lee
Hi Tushar,
I think this setting already exists for Exynos4 in u-boot.
No, there was no display on Origen board without this patch.
Quoted 5 lines
Are you not getting display without your patch?
Have a look at this:
http://git.denx.de/cgi-bin/gitweb.cgi?p=u-boot.git;a=blob;f=arch/arm/cpu/armv7/exynos/system.c;h=ad12445832cf7415e52e8593b595ab33a0b4d375;hb=HEAD#l33
Thanks for the pointer. Let me check if I am missing anything for Origen u-boot code.
Signature · 1 line
Tushar Behera
PATCH 1/1 Origen: Set FIMD as the default display path
Quoted 11 lines · Tushar Behera
Quoted 7 lines · Ajay kumar
+Donghwa Lee
Hi Tushar,
I think this setting already exists for Exynos4 in u-boot.
No, there was no display on Origen board without this patch.
Quoted 9 lines
Quoted 5 lines
Are you not getting display without your patch?
Have a look at this:
http://git.denx.de/cgi-bin/gitweb.cgi?p=u-boot.git;a=blob;f=arch/arm/cpu/armv7/exynos/system.c;h=ad12445832cf7415e52e8593b595ab33a0b4d375;hb=HEAD#l33Thanks for the pointer. Let me check if I am missing anything for Origen u-boot code.
This code is called if CONFIG_LCD is enabled. Calling set_system_display_ctrl() from Origen board_init() fixes my problem.
Thanks.
Signature · 1 line
Tushar Behera
PATCH v2 1/1 Origen: Set FIMD as the default display path
In reply to Tushar BeheraOn EXYNOS4210, there are three paths for display data to be processed, namely MIE, MDNIE and FIMD. On Origen board, FIMD display controller is used.
---
Changes for V2:
* Updated review comments from Ajay Kumar, reusing the code from arch/arm/cpu/armv7/exynos/system.c.
board/samsung/origen/origen.c | 3 +++ 1 file changed, 3 insertions(+)
board/samsung/origen/origen.c +3 -0
@@ -22,6 +22,9 @@ int board_init(void) gpio2 = (struct exynos4_gpio_part2 *)EXYNOS4_GPIO_PART2_BASE ; gd->bd->bi_boot_params = (PHYS_SDRAM_1 +0x100UL ); + +set_system_display_ctrl (); +return 0 ; }
Signature · 1 line
1.7.9.5
PATCH v2 1/1 Origen: Set FIMD as the default display path
Quoted 18 lines · Tushar Behera
On EXYNOS4210, there are three paths for display data to be processed, namely MIE, MDNIE and FIMD. On Origen board, FIMD display controller is used.
Signed-off-by Tushar Behera <[email protected]>---
Changes for V2:
* Updated review comments from Ajay Kumar, reusing the code fromarch/arm/cpu/armv7/exynos/system.c.board/samsung/origen/origen.c | 3 +++ 1 file changed, 3 insertions(+)board/samsung/origen/origen.c +0
-0
board/samsung/origen/origen.c int board_init(void) · line 28
Quoted 7 lines
board/samsung/origen/origen.c +3
-0@@ -22,6 +22,9 @@ int board_init(void) gpio2 = (struct exynos4_gpio_part2 *)EXYNOS4_GPIO_PART2_BASE ; gd->bd->bi_boot_params = (PHYS_SDRAM_1 +0x100UL ); + +set_system_display_ctrl (); +
Ok. You are trying to get the display up in the kernel, without enabling the display in u-boot.
And, thats why you are making an explicit call here?
return 0;
Quoted 6 lines
board/samsung/origen/origen.c +0
-1} --1.7.9.5
PATCH v2 1/1 Origen: Set FIMD as the default display path
Quoted 22 lines · Ajay kumar
On Thu, Aug 15, 2013 at 6:53 PM, Tushar Behera <tushar.behera at linaro.org <mailto:[email protected]>> wrote:
On EXYNOS4210, there are three paths for display data to be processed, namely MIE, MDNIE and FIMD. On Origen board, FIMD display controller is used.
Signed-off-by Tushar Behera <tushar.behera at linaro.org <mailto:[email protected]>>---
Changes for V2:
* Updated review comments from Ajay Kumar, reusing the code fromarch/arm/cpu/armv7/exynos/system.c.
board/samsung/origen/origen.c| 3 +++
1 file changed, 3 insertions(+)diff --git
a/board/samsung/origen/origen.cb/board/samsung/origen/origen.cindex 15f77ca..bb16699 100644
---a/board/samsung/origen/origen.c
+++b/board/samsung/origen/origen.c
@@ -22,6 +22,9 @@ intboard_init(void)
gpio2 = (structexynos4_gpio_part2*)EXYNOS4_GPIO_PART2_BASE;
Quoted 9 lines
gd->bd->bi_boot_params= (PHYS_SDRAM_1+0x100UL);
+
+set_system_display_ctrl();
+Ok. You are trying to get the display up in the kernel, without enabling the display in u-boot.
And, thats why you are making an explicit call here?
Previously, Ajay kumar said set_system_display_ctrl() function is already called by lcd_ctrl_init() of exynos_fb.c.
If you need to use FIMD path, you'd better use the existing one.
Quoted 8 lines
return 0;
}
--
1.7.9.5PATCH v2 1/1 Origen: Set FIMD as the default display path
Quoted 25 lines · Donghwa Lee
On Fri, Aug 16, 2013 at 16:31, Ajay kumar wrote:
Quoted 21 lines · Tushar Behera
On EXYNOS4210, there are three paths for display data to be processed, namely MIE, MDNIE and FIMD. On Origen board, FIMD display controller is used.
Signed-off-by Tushar Behera <[email protected]>---
Changes for V2:
* Updated review comments from Ajay Kumar, reusing the code fromarch/arm/cpu/armv7/exynos/system.c.board/samsung/origen/origen.c | 3 +++ 1 file changed, 3 insertions(+)board/samsung/origen/origen.c +0
-0@@ -22,6 +22,9 @@ int board_init(void) gpio2 = (struct exynos4_gpio_part2 *)EXYNOS4_GPIO_PART2_BASE ;
Quoted 9 lines
board/samsung/origen/origen.c int board_init(void) · line 27
Quoted 4 lines
board/samsung/origen/origen.c +3
-0gd->bd->bi_boot_params = (PHYS_SDRAM_1 +0x100UL ); + +set_system_display_ctrl (); +Ok. You are trying to get the display up in the kernel, without enabling the display in u-boot.
And, thats why you are making an explicit call here?
Yes, as of now, I don't want LCD support in u-boot, but I want to just enable the display path.
Quoted 4 lines
Previously, Ajay kumar said
set_system_display_ctrl()function is already called bylcd_ctrl_init()ofexynos_fb.c.
If you need to use FIMD path, you'd better use the existing one.
I tried enabling CONFIG_LCD and related config options so that existing display path in u-boot is called. That somehow stalls the u-boot and I didn't want to pursue that much as calling this function fixes my issue.
Quoted 9 lines
Quoted 7 lines
board/samsung/origen/origen.c +0
-1return 0 ; } --1.7.9.5
Signature · 1 line
Tushar Behera
PATCH v2 1/1 Origen: Set FIMD as the default display path
Quoted 33 lines · Tushar Behera
Quoted 24 lines · Donghwa Lee
On Fri, Aug 16, 2013 at 16:31, Ajay kumar wrote:
Quoted 20 lines · Tushar Behera
On EXYNOS4210, there are three paths for display data to be processed, namely MIE, MDNIE and FIMD. On Origen board, FIMD display controller is used.
Signed-off-by Tushar Behera <[email protected]>---
Changes for V2:
* Updated review comments from Ajay Kumar, reusing the code fromarch/arm/cpu/armv7/exynos/system.c.board/samsung/origen/origen.c | 3 +++ 1 file changed, 3 insertions(+)board/samsung/origen/origen.c +0
-0@@ -22,6 +22,9 @@ int board_init(void) gpio2 = (struct exynos4_gpio_part2 *)EXYNOS4_GPIO_PART2_BASE ;Quoted 8 lines
board/samsung/origen/origen.c int board_init(void) · line 27
Quoted 4 lines
board/samsung/origen/origen.c +3
-0gd->bd->bi_boot_params = (PHYS_SDRAM_1 +0x100UL ); + +set_system_display_ctrl (); +Ok. You are trying to get the display up in the kernel, without enabling the display in u-boot.
And, thats why you are making an explicit call here?
Quoted 3 lines
Yes, as of now, I don't want LCD support in u-boot, but I want to just enable the display path.
If you don't need to LCD support in u-boot, which case do you need to enable the display path to FIMD?
Quoted 18 lines
Quoted 4 lines
Previously, Ajay kumar said
set_system_display_ctrl()function is already called bylcd_ctrl_init()ofexynos_fb.c.
If you need to use FIMD path, you'd better use the existing one.I tried enabling
CONFIG_LCDand related config options so that existing display path in u-boot is called. That somehow stalls the u-boot and I didn't want to pursue that much as calling this function fixes my issue.Quoted 7 lines
Quoted 6 lines
board/samsung/origen/origen.c +0
-1return 0 ; } --1.7.9.5
PATCH v2 1/1 Origen: Set FIMD as the default display path
Quoted 34 lines · Donghwa Lee
Quoted 33 lines · Tushar Behera
Quoted 32 lines · Donghwa Lee
On Fri, Aug 16, 2013 at 16:31, Ajay kumar wrote:
Quoted 18 lines · Tushar Behera
On EXYNOS4210, there are three paths for display data to be processed, namely MIE, MDNIE and FIMD. On Origen board, FIMD display controller is used.
Signed-off-by Tushar Behera <[email protected]>---
Changes for V2:
* Updated review comments from Ajay Kumar, reusing the code fromarch/arm/cpu/armv7/exynos/system.c.board/samsung/origen/origen.c | 3 +++ 1 file changed, 3 insertions(+)board/samsung/origen/origen.c +0
-0board/samsung/origen/origen.c int board_init(void) · line 27
Quoted 6 lines
board/samsung/origen/origen.c +3
-0@@ -22,6 +22,9 @@ int board_init(void) gpio2 = (struct exynos4_gpio_part2 *)EXYNOS4_GPIO_PART2_BASE ; gd->bd->bi_boot_params = (PHYS_SDRAM_1 +0x100UL ); + +set_system_display_ctrl (); +Ok. You are trying to get the display up in the kernel, without enabling the display in u-boot.
And, thats why you are making an explicit call here?
Quoted 6 lines
Quoted 3 lines
Yes, as of now, I don't want LCD support in u-boot, but I want to just enable the display path.
If you don't need to LCD support in u-boot, which case do you need to enable the display path to FIMD?
This modification is essential for enabling LCD support in kernel. While working with DT kernel, we couldn't any suitable place in kernel where we can place this code. That is the reason why we thought of having this bit setup in u-boot.
Quoted 19 lines
Quoted 18 lines
Quoted 4 lines
Previously, Ajay kumar said
set_system_display_ctrl()function is already called bylcd_ctrl_init()ofexynos_fb.c.
If you need to use FIMD path, you'd better use the existing one.I tried enabling
CONFIG_LCDand related config options so that existing display path in u-boot is called. That somehow stalls the u-boot and I didn't want to pursue that much as calling this function fixes my issue.Quoted 7 lines
Quoted 6 lines
board/samsung/origen/origen.c +0
-1return 0 ; } --1.7.9.5
Signature · 1 line
Tushar Behera
PATCH v2 1/1 Origen: Set FIMD as the default display path
Quoted 39 lines · Tushar Behera
Quoted 38 lines · Donghwa Lee
Quoted 36 lines · Tushar Behera
Quoted 24 lines · Donghwa Lee
On Fri, Aug 16, 2013 at 16:31, Ajay kumar wrote:
Quoted 20 lines · Tushar Behera
On EXYNOS4210, there are three paths for display data to be processed, namely MIE, MDNIE and FIMD. On Origen board, FIMD display controller is used.
Signed-off-by Tushar Behera <[email protected]>---
Changes for V2:
* Updated review comments from Ajay Kumar, reusing the code fromarch/arm/cpu/armv7/exynos/system.c.board/samsung/origen/origen.c | 3 +++ 1 file changed, 3 insertions(+)board/samsung/origen/origen.c +0
-0@@ -22,6 +22,9 @@ int board_init(void) gpio2 = (struct exynos4_gpio_part2 *)EXYNOS4_GPIO_PART2_BASE ;Quoted 8 lines
board/samsung/origen/origen.c int board_init(void) · line 27
Quoted 4 lines
board/samsung/origen/origen.c +3
-0gd->bd->bi_boot_params = (PHYS_SDRAM_1 +0x100UL ); + +set_system_display_ctrl (); +Ok. You are trying to get the display up in the kernel, without enabling the display in u-boot.
And, thats why you are making an explicit call here?Yes, as of now, I don't want LCD support in u-boot, but I want to just enable the display path.
Quoted 8 lines
Quoted 2 lines
If you don't need to LCD support in u-boot, which case do you need to enable the display path to FIMD?
This modification is essential for enabling LCD support in kernel. While working with DT kernel, we couldn't any suitable place in kernel where we can place this code. That is the reason why we thought of having this bit setup in u-boot.
Can we go ahead with this patch?
Signature · 1 line
Tushar Behera
PATCH v2 1/1 Origen: Set FIMD as the default display path
Quoted 40 lines · Tushar Behera
Quoted 39 lines · Tushar Behera
Quoted 38 lines · Donghwa Lee
Quoted 36 lines · Tushar Behera
Quoted 24 lines · Donghwa Lee
On Fri, Aug 16, 2013 at 16:31, Ajay kumar wrote:
Quoted 20 lines · Tushar Behera
On EXYNOS4210, there are three paths for display data to be processed, namely MIE, MDNIE and FIMD. On Origen board, FIMD display controller is used.
Signed-off-by Tushar Behera <[email protected]>---
Changes for V2:
* Updated review comments from Ajay Kumar, reusing the code fromarch/arm/cpu/armv7/exynos/system.c.board/samsung/origen/origen.c | 3 +++ 1 file changed, 3 insertions(+)board/samsung/origen/origen.c +0
-0@@ -22,6 +22,9 @@ int board_init(void) gpio2 = (struct exynos4_gpio_part2 *)EXYNOS4_GPIO_PART2_BASE ;Quoted 8 lines
board/samsung/origen/origen.c int board_init(void) · line 27
Quoted 4 lines
board/samsung/origen/origen.c +3
-0gd->bd->bi_boot_params = (PHYS_SDRAM_1 +0x100UL ); + +set_system_display_ctrl (); +Ok. You are trying to get the display up in the kernel, without enabling the display in u-boot.
And, thats why you are making an explicit call here?Yes, as of now, I don't want LCD support in u-boot, but I want to just enable the display path.
Quoted 8 lines
Quoted 8 lines
Quoted 2 lines
If you don't need to LCD support in u-boot, which case do you need to enable the display path to FIMD?
This modification is essential for enabling LCD support in kernel. While working with DT kernel, we couldn't any suitable place in kernel where we can place this code. That is the reason why we thought of having this bit setup in u-boot.
I understood your concept.
but I feel, it's a workaround.
you said.
"
I tried enabling CONFIG_LCD and related config options so that existing display path in u-boot is called. That somehow stalls the u-boot and I didn't want to pursue that much as calling this function fixes my issue.
"
Why don't you try to find the reason why stalls the u-boot.
Thanks,
Minkyu Kang.
PATCH v2 1/1 Origen: Set FIMD as the default display path
Quoted 61 lines · Minkyu Kang
Quoted 40 lines · Tushar Behera
Quoted 39 lines · Tushar Behera
Quoted 38 lines · Donghwa Lee
Quoted 36 lines · Tushar Behera
Quoted 24 lines · Donghwa Lee
On Fri, Aug 16, 2013 at 16:31, Ajay kumar wrote:
Quoted 20 lines · Tushar Behera
On EXYNOS4210, there are three paths for display data to be processed, namely MIE, MDNIE and FIMD. On Origen board, FIMD display controller is used.
Signed-off-by Tushar Behera <[email protected]>---
Changes for V2:
* Updated review comments from Ajay Kumar, reusing the code fromarch/arm/cpu/armv7/exynos/system.c.board/samsung/origen/origen.c | 3 +++ 1 file changed, 3 insertions(+)board/samsung/origen/origen.c +0
-0@@ -22,6 +22,9 @@ int board_init(void) gpio2 = (struct exynos4_gpio_part2 *)EXYNOS4_GPIO_PART2_BASE ;Quoted 8 lines
board/samsung/origen/origen.c int board_init(void) · line 27
Quoted 4 lines
board/samsung/origen/origen.c +3
-0gd->bd->bi_boot_params = (PHYS_SDRAM_1 +0x100UL ); + +set_system_display_ctrl (); +Ok. You are trying to get the display up in the kernel, without enabling the display in u-boot.
And, thats why you are making an explicit call here?Yes, as of now, I don't want LCD support in u-boot, but I want to just enable the display path.
Quoted 8 lines
Quoted 8 lines
Quoted 2 lines
If you don't need to LCD support in u-boot, which case do you need to enable the display path to FIMD?
This modification is essential for enabling LCD support in kernel. While working with DT kernel, we couldn't any suitable place in kernel where we can place this code. That is the reason why we thought of having this bit setup in u-boot.
I understood your concept.
but I feel, it's a workaround.you said.
"
I tried enablingCONFIG_LCDand related config options so that existing display path in u-boot is called. That somehow stalls the u-boot and I didn't want to pursue that much as calling this function fixes my issue.
"
Quoted 2 lines
Why don't you try to find the reason why stalls the u-boot.
I spent some time on fixing this while I was working on this patch, but couldn't debug the issue within the available time. If I can find sometime for this, I will surely look into fixing this.
We have already got display support merged with upstream kernel. After applying this patch to u-boot, developers can get display up with upstream stuff. That was the motivation for having this patch.
Signature · 1 line
Tushar Behera