diff options
author | Hawking Zhang <Hawking.Zhang@amd.com> | 2019-06-05 14:57:00 +0800 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2019-09-13 17:11:04 -0500 |
commit | 4e644fffb5809d260bb7adcc49cb87d79b88ba3d (patch) | |
tree | dd923e73af366f087bb1dfa934202444d20b98a6 /drivers/gpu/drm/amd/amdgpu | |
parent | fc098fb4ed0c0ff49d50ffe314649181acd74f81 (diff) |
drm/amdgpu: add ras_controller and err_event_athub interrupt support
Ras controller interrupt and Ras err event athub interrupt are two dedicated
interrupts for RAS support.
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 14 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c | 125 |
3 files changed, 143 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h index 28417e485c58..a04c5ea03418 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h @@ -79,10 +79,14 @@ struct amdgpu_nbio_funcs { void (*remap_hdp_registers)(struct amdgpu_device *adev); void (*handle_ras_controller_intr_no_bifring)(struct amdgpu_device *adev); void (*handle_ras_err_event_athub_intr_no_bifring)(struct amdgpu_device *adev); + int (*init_ras_controller_interrupt)(struct amdgpu_device *adev); + int (*init_ras_err_event_athub_interrupt)(struct amdgpu_device *adev); }; struct amdgpu_nbio { const struct nbio_hdp_flush_reg *hdp_flush_reg; + struct amdgpu_irq_src ras_controller_irq; + struct amdgpu_irq_src ras_err_event_athub_irq; const struct amdgpu_nbio_funcs *funcs; }; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index 016ea274b955..f7180109bef4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -29,6 +29,7 @@ #include "amdgpu.h" #include "amdgpu_ras.h" #include "amdgpu_atomfirmware.h" +#include "ivsrcid/nbio/irqsrcs_nbif_7_4.h" const char *ras_error_string[] = { "none", @@ -1500,6 +1501,7 @@ static void amdgpu_ras_check_supported(struct amdgpu_device *adev, int amdgpu_ras_init(struct amdgpu_device *adev) { struct amdgpu_ras *con = amdgpu_ras_get_context(adev); + int r; if (con) return 0; @@ -1527,6 +1529,18 @@ int amdgpu_ras_init(struct amdgpu_device *adev) /* Might need get this flag from vbios. */ con->flags = RAS_DEFAULT_FLAGS; + if (adev->nbio.funcs->init_ras_controller_interrupt) { + r = adev->nbio.funcs->init_ras_controller_interrupt(adev); + if (r) + return r; + } + + if (adev->nbio.funcs->init_ras_err_event_athub_interrupt) { + r = adev->nbio.funcs->init_ras_err_event_athub_interrupt(adev); + if (r) + return r; + } + if (amdgpu_ras_recovery_init(adev)) goto recovery_out; diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c index 6ecdd5e3ca3f..faf9300630a5 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c @@ -27,6 +27,7 @@ #include "nbio/nbio_7_4_offset.h" #include "nbio/nbio_7_4_sh_mask.h" #include "nbio/nbio_7_4_0_smn.h" +#include "ivsrcid/nbio/irqsrcs_nbif_7_4.h" #include <uapi/linux/kfd_ioctl.h> #define smnNBIF_MGCG_CTRL_LCLK 0x1013a21c @@ -345,6 +346,128 @@ static void nbio_v7_4_handle_ras_err_event_athub_intr_no_bifring(struct amdgpu_d } } + +static int nbio_v7_4_set_ras_controller_irq_state(struct amdgpu_device *adev, + struct amdgpu_irq_src *src, + unsigned type, + enum amdgpu_interrupt_state state) +{ + /* The ras_controller_irq enablement should be done in psp bl when it + * tries to enable ras feature. Driver only need to set the correct interrupt + * vector for bare-metal and sriov use case respectively + */ + uint32_t bif_intr_cntl; + + bif_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL); + if (state == AMDGPU_IRQ_STATE_ENABLE) { + /* set interrupt vector select bit to 0 to select + * vetcor 1 for bare metal case */ + bif_intr_cntl = REG_SET_FIELD(bif_intr_cntl, + BIF_INTR_CNTL, + RAS_INTR_VEC_SEL, 0); + WREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL, bif_intr_cntl); + } + + return 0; +} + +static int nbio_v7_4_process_ras_controller_irq(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + struct amdgpu_iv_entry *entry) +{ + /* By design, the ih cookie for ras_controller_irq should be written + * to BIFring instead of general iv ring. However, due to known bif ring + * hw bug, it has to be disabled. There is no chance the process function + * will be involked. Just left it as a dummy one. + */ + return 0; +} + +static int nbio_v7_4_set_ras_err_event_athub_irq_state(struct amdgpu_device *adev, + struct amdgpu_irq_src *src, + unsigned type, + enum amdgpu_interrupt_state state) +{ + /* The ras_controller_irq enablement should be done in psp bl when it + * tries to enable ras feature. Driver only need to set the correct interrupt + * vector for bare-metal and sriov use case respectively + */ + uint32_t bif_intr_cntl; + + bif_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL); + if (state == AMDGPU_IRQ_STATE_ENABLE) { + /* set interrupt vector select bit to 0 to select + * vetcor 1 for bare metal case */ + bif_intr_cntl = REG_SET_FIELD(bif_intr_cntl, + BIF_INTR_CNTL, + RAS_INTR_VEC_SEL, 0); + WREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL, bif_intr_cntl); + } + + return 0; +} + +static int nbio_v7_4_process_err_event_athub_irq(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + struct amdgpu_iv_entry *entry) +{ + /* By design, the ih cookie for err_event_athub_irq should be written + * to BIFring instead of general iv ring. However, due to known bif ring + * hw bug, it has to be disabled. There is no chance the process function + * will be involked. Just left it as a dummy one. + */ + return 0; +} + +static const struct amdgpu_irq_src_funcs nbio_v7_4_ras_controller_irq_funcs = { + .set = nbio_v7_4_set_ras_controller_irq_state, + .process = nbio_v7_4_process_ras_controller_irq, +}; + +static const struct amdgpu_irq_src_funcs nbio_v7_4_ras_err_event_athub_irq_funcs = { + .set = nbio_v7_4_set_ras_err_event_athub_irq_state, + .process = nbio_v7_4_process_err_event_athub_irq, +}; + +static int nbio_v7_4_init_ras_controller_interrupt (struct amdgpu_device *adev) +{ + int r; + + /* init the irq funcs */ + adev->nbio.ras_controller_irq.funcs = + &nbio_v7_4_ras_controller_irq_funcs; + adev->nbio.ras_controller_irq.num_types = 1; + + /* register ras controller interrupt */ + r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_BIF, + NBIF_7_4__SRCID__RAS_CONTROLLER_INTERRUPT, + &adev->nbio.ras_controller_irq); + if (r) + return r; + + return 0; +} + +static int nbio_v7_4_init_ras_err_event_athub_interrupt (struct amdgpu_device *adev) +{ + + int r; + + /* init the irq funcs */ + adev->nbio.ras_err_event_athub_irq.funcs = + &nbio_v7_4_ras_err_event_athub_irq_funcs; + adev->nbio.ras_err_event_athub_irq.num_types = 1; + + /* register ras err event athub interrupt */ + r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_BIF, + NBIF_7_4__SRCID__ERREVENT_ATHUB_INTERRUPT, + &adev->nbio.ras_err_event_athub_irq); + if (r) + return r; + + return 0; +} + const struct amdgpu_nbio_funcs nbio_v7_4_funcs = { .get_hdp_flush_req_offset = nbio_v7_4_get_hdp_flush_req_offset, .get_hdp_flush_done_offset = nbio_v7_4_get_hdp_flush_done_offset, @@ -368,4 +491,6 @@ const struct amdgpu_nbio_funcs nbio_v7_4_funcs = { .remap_hdp_registers = nbio_v7_4_remap_hdp_registers, .handle_ras_controller_intr_no_bifring = nbio_v7_4_handle_ras_controller_intr_no_bifring, .handle_ras_err_event_athub_intr_no_bifring = nbio_v7_4_handle_ras_err_event_athub_intr_no_bifring, + .init_ras_controller_interrupt = nbio_v7_4_init_ras_controller_interrupt, + .init_ras_err_event_athub_interrupt = nbio_v7_4_init_ras_err_event_athub_interrupt, }; |