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| author | Dave Airlie <airlied@redhat.com> | 2020-09-23 09:25:17 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2020-09-23 09:25:18 +1000 |
| commit | fc88fef916e8971eefeacc62241b7408b7e7939d (patch) | |
| tree | c2647e7388a752ffc1f9d12b5aaf9a83a69b5ba0 /drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c | |
| parent | db29dc7d3346328b3fc61057d224a242f9928289 (diff) | |
| parent | 911d5bd5e7b8531b39301c2c27e5b90d7bd71b88 (diff) | |
| download | linux-fc88fef916e8971eefeacc62241b7408b7e7939d.tar.bz2 | |
Merge tag 'amd-drm-next-5.10-2020-09-18' of git://people.freedesktop.org/~agd5f/linux into drm-next
amd-drm-next-5.10-2020-09-18:
amdgpu:
- Support for PCIe DPC recovery
- Sienna Cichlid updates
- Navy Flounder updates
- RAS fixes
- Refactor DC interrupt handling
- Display fixes
- Fix issues with OLED panels
- Mclk fixes for navi1x
- Watermark fixes for renoir and raven2
- Misc code cleanups
- Misc bug fixes
amdkfd:
- Fix a memory leak
- Fix a crach in GPU reset
- Add process eviction counters
radeon:
- expose sclk via sysfs hwmon interface
- Revert bad PLL fix
scheduler:
- Kernel doc fixes
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200918204322.3931-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c index bb5130f4228d..f7b5583ee609 100644 --- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c @@ -30,6 +30,8 @@ #define KSV_READ_SIZE 0xf /* 0x6803b - 0x6802c */ #define HDCP_MAX_AUX_TRANSACTION_SIZE 16 +#define DP_CP_IRQ (1 << 2) + enum mod_hdcp_ddc_message_id { MOD_HDCP_MESSAGE_ID_INVALID = -1, @@ -645,3 +647,18 @@ enum mod_hdcp_status mod_hdcp_write_content_type(struct mod_hdcp *hdcp) status = MOD_HDCP_STATUS_INVALID_OPERATION; return status; } + +enum mod_hdcp_status mod_hdcp_clear_cp_irq_status(struct mod_hdcp *hdcp) +{ + uint8_t clear_cp_irq_bit = DP_CP_IRQ; + uint32_t size = 1; + + if (is_dp_hdcp(hdcp)) { + uint32_t cp_irq_addrs = (hdcp->connection.link.dp.rev >= 0x14) + ? DP_DEVICE_SERVICE_IRQ_VECTOR_ESI0:DP_DEVICE_SERVICE_IRQ_VECTOR; + return hdcp->config.ddc.funcs.write_dpcd(hdcp->config.ddc.handle, cp_irq_addrs, + &clear_cp_irq_bit, size) ? MOD_HDCP_STATUS_SUCCESS : MOD_HDCP_STATUS_DDC_FAILURE; + } + + return MOD_HDCP_STATUS_INVALID_OPERATION; +} |