RE: [PATCH] drm/amdgpu: fix Kconfig for ISP v2

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Thanks Alex!

-----Original Message-----
From: Deucher, Alexander <Alexander.Deucher@xxxxxxx>
Sent: Tuesday, May 14, 2024 5:28 PM
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Nirujogi, Pratap <Pratap.Nirujogi@xxxxxxx>
Subject: [PATCH] drm/amdgpu: fix Kconfig for ISP v2

Add new config option and set proper dependencies for ISP.

v2: add missed guards, drop separate Kconfig

Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Reviewed-by: Pratap Nirujogi <pratap.nirujogi@xxxxxxx>

Cc: Pratap Nirujogi <pratap.nirujogi@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/Kconfig            | 11 +++++++++++
 drivers/gpu/drm/amd/amdgpu/Makefile           |  2 ++
 drivers/gpu/drm/amd/amdgpu/amdgpu.h           |  4 ++++
 drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c |  6 ++++++
 4 files changed, 23 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/Kconfig b/drivers/gpu/drm/amd/amdgpu/Kconfig
index 22d88f8ef5279..0cd9d29394072 100644
--- a/drivers/gpu/drm/amd/amdgpu/Kconfig
+++ b/drivers/gpu/drm/amd/amdgpu/Kconfig
@@ -70,6 +70,17 @@ config DRM_AMDGPU_USERPTR
          This option selects CONFIG_HMM and CONFIG_HMM_MIRROR if it
          isn't already selected to enabled full userptr support.

+config DRM_AMD_ISP
+       bool "Enable AMD Image Signal Processor IP support"
+       depends on DRM_AMDGPU
+       select MFD_CORE
+       select PM_GENERIC_DOMAINS if PM
+       help
+       Choose this option to enable ISP IP support for AMD SOCs.
+       This adds the ISP (Image Signal Processor) IP driver and wires
+       it up into the amdgpu driver.  It is required for cameras
+       on APUs which utilize mipi cameras.
+
 config DRM_AMDGPU_WERROR
        bool "Force the compiler to throw an error instead of a warning when compiling"
        depends on DRM_AMDGPU
diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile
index 12ba76025cb7c..c95ec19a38264 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -325,6 +325,8 @@ amdgpu-y += $(AMD_DISPLAY_FILES)  endif

 # add isp block
+ifneq ($(CONFIG_DRM_AMD_ISP),)
 amdgpu-y += amdgpu_isp.o
+endif

 obj-$(CONFIG_DRM_AMDGPU)+= amdgpu.o
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 846c3550fbda8..936ed3c10c884 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -113,7 +113,9 @@
 #include "amdgpu_seq64.h"
 #include "amdgpu_reg_state.h"
 #include "amdgpu_umsch_mm.h"
+#if defined(CONFIG_DRM_AMD_ISP)
 #include "amdgpu_isp.h"
+#endif

 #define MAX_GPU_INSTANCE               64

@@ -1049,8 +1051,10 @@ struct amdgpu_device {
        /* display related functionality */
        struct amdgpu_display_manager dm;

+#if defined(CONFIG_DRM_AMD_ISP)
        /* isp */
        struct amdgpu_isp               isp;
+#endif

        /* mes */
        bool                            enable_mes;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
index 378d5a5cda917..1bab8dd37d621 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
@@ -107,7 +107,9 @@
 #include "jpeg_v5_0_0.h"

 #include "amdgpu_vpe.h"
+#if defined(CONFIG_DRM_AMD_ISP)
 #include "amdgpu_isp.h"
+#endif

 #define FIRMWARE_IP_DISCOVERY "amdgpu/ip_discovery.bin"
 MODULE_FIRMWARE(FIRMWARE_IP_DISCOVERY);
@@ -712,10 +714,12 @@ static void amdgpu_discovery_read_from_harvest_table(struct amdgpu_device *adev,
                        adev->sdma.sdma_mask &=
                                ~(1U << harvest_info->list[i].number_instance);
                        break;
+#if defined(CONFIG_DRM_AMD_ISP)
                case ISP_HWID:
                        adev->isp.harvest_config |=
                                ~(1U << harvest_info->list[i].number_instance);
                        break;
+#endif
                default:
                        break;
                }
@@ -2402,6 +2406,7 @@ static int amdgpu_discovery_set_umsch_mm_ip_blocks(struct amdgpu_device *adev)

 static int amdgpu_discovery_set_isp_ip_blocks(struct amdgpu_device *adev)  {
+#if defined(CONFIG_DRM_AMD_ISP)
        switch (amdgpu_ip_version(adev, ISP_HWIP, 0)) {
        case IP_VERSION(4, 1, 0):
        case IP_VERSION(4, 1, 1):
@@ -2410,6 +2415,7 @@ static int amdgpu_discovery_set_isp_ip_blocks(struct amdgpu_device *adev)
        default:
                break;
        }
+#endif

        return 0;
 }
--
2.45.0





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