[Intel-gfx] [PATCH 04/21] drm/i915/guc: Support dual Gen9/Gen11 parameters block
John Spotswood
john.a.spotswood at intel.com
Thu Aug 30 22:58:53 UTC 2018
On Wed, 2018-08-29 at 12:10 -0700, Wajdeczko, Michal wrote:
> Gen11 GuC boot parameter definitions are different than previously
> used for Gen9. Try to support both definitions until new firmwares
> for pre-Gen11 will be available.
>
> Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
> Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
> Cc: Michel Thierry <michel.thierry at intel.com>
> Cc: John Spotswood <john.a.spotswood at intel.com>
> Cc: Vinay Belgaumkar <vinay.belgaumkar at intel.com>
> Cc: Tony Ye <tony.ye at intel.com>
> Cc: Anusha Srivatsa <anusha.srivatsa at intel.com>
> Cc: Jeff Mcgee <jeff.mcgee at intel.com>
> Cc: Antonio Argenziano <antonio.argenziano at intel.com>
> Cc: Sujaritha Sundaresan <sujaritha.sundaresan at intel.com>
Reviewed-by: John Spotswood <john.a.spotswood at intel.com>
> ---
> drivers/gpu/drm/i915/intel_guc.c | 76
> +++++++++++++++++++++++++----------
> drivers/gpu/drm/i915/intel_guc_fwif.h | 59 +++++++++++++----------
> ----
> 2 files changed, 83 insertions(+), 52 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_guc.c
> b/drivers/gpu/drm/i915/intel_guc.c
> index 982bcc8..a9c2f7b 100644
> --- a/drivers/gpu/drm/i915/intel_guc.c
> +++ b/drivers/gpu/drm/i915/intel_guc.c
> @@ -230,14 +230,7 @@ void intel_guc_fini(struct intel_guc *guc)
> static u32 guc_ctl_debug_flags(struct intel_guc *guc)
> {
> u32 level = intel_guc_log_get_level(&guc->log);
> - u32 flags;
> - u32 ads;
> -
> - ads = intel_guc_ggtt_offset(guc, guc->ads_vma) >>
> PAGE_SHIFT;
> - flags = ads << GUC_ADS_ADDR_SHIFT | GUC_ADS_ENABLED;
> -
> - if (!GUC_LOG_LEVEL_IS_ENABLED(level))
> - flags |= GUC_LOG_DEFAULT_DISABLED;
> + u32 flags = 0;
>
> if (!GUC_LOG_LEVEL_IS_VERBOSE(level))
> flags |= GUC_LOG_DISABLED;
> @@ -248,20 +241,28 @@ static u32 guc_ctl_debug_flags(struct intel_guc
> *guc)
> return flags;
> }
>
> -static u32 guc_ctl_feature_flags(struct intel_guc *guc)
> +static u32 guc9_ctl_debug_flags(struct intel_guc *guc)
> {
> - u32 flags = 0;
> + u32 level = intel_guc_log_get_level(&guc->log);
> + u32 flags;
> + u32 ads;
>
> - flags |= GUC_CTL_VCS2_ENABLED;
> + ads = intel_guc_ggtt_offset(guc, guc->ads_vma) >>
> PAGE_SHIFT;
> + flags = ads << GUC9_ADS_ADDR_SHIFT | GUC9_ADS_ENABLED;
>
> - if (USES_GUC_SUBMISSION(guc_to_i915(guc)))
> - flags |= GUC_CTL_KERNEL_SUBMISSIONS;
> - else
> - flags |= GUC_CTL_DISABLE_SCHEDULER;
> + if (!GUC_LOG_LEVEL_IS_ENABLED(level))
> + flags |= GUC9_LOG_DEFAULT_DISABLED;
> +
> + flags |= guc_ctl_debug_flags(guc);
>
> return flags;
> }
>
> +static u32 guc9_ctl_feature_flags(struct intel_guc *guc)
> +{
> + return GUC9_CTL_VCS2_ENABLED | GUC9_CTL_DISABLE_SCHEDULER;
> +}
> +
> static u32 guc_ctl_ctxinfo_flags(struct intel_guc *guc)
> {
> u32 flags = 0;
> @@ -279,6 +280,16 @@ static u32 guc_ctl_ctxinfo_flags(struct
> intel_guc *guc)
> return flags;
> }
>
> +static u32 guc_ctl_feature_flags(struct intel_guc *guc)
> +{
> + u32 flags = 0;
> +
> + if (!USES_GUC_SUBMISSION(guc_to_i915(guc)))
> + flags |= GUC_CTL_DISABLE_SCHEDULER;
> +
> + return flags;
> +}
> +
> static u32 guc_ctl_log_params_flags(struct intel_guc *guc)
> {
> u32 offset = intel_guc_ggtt_offset(guc, guc->log.vma) >>
> PAGE_SHIFT;
> @@ -320,22 +331,39 @@ static u32 guc_ctl_log_params_flags(struct
> intel_guc *guc)
> return flags;
> }
>
> -static void guc_prepare_params(struct intel_guc *guc, u32 *params)
> +static void guc9_prepare_params(struct intel_guc *guc, u32 *params)
> {
> /*
> * GuC ARAT increment is 10 ns. GuC default scheduler
> quantum is one
> * second. This ARAR is calculated by:
> * Scheduler-Quantum-in-ns / ARAT-increment-in-ns =
> 1000000000 / 10
> */
> - params[GUC_CTL_ARAT_HIGH] = 0;
> - params[GUC_CTL_ARAT_LOW] = 100000000;
> + params[GUC9_CTL_ARAT_HIGH] = 0;
> + params[GUC9_CTL_ARAT_LOW] = 100000000;
> +
> + params[GUC9_CTL_WA] |= GUC9_CTL_WA_UK_BY_DRIVER;
>
> - params[GUC_CTL_WA] |= GUC_CTL_WA_UK_BY_DRIVER;
> + params[GUC9_CTL_FEATURE] = guc9_ctl_feature_flags(guc);
> + params[GUC9_CTL_LOG_PARAMS] = guc_ctl_log_params_flags(guc);
> + params[GUC9_CTL_DEBUG] = guc9_ctl_debug_flags(guc);
> + params[GUC_CTL_CTXINFO] = guc_ctl_ctxinfo_flags(guc);
> +}
>
> +static u32 guc_ctl_ads_flags(struct intel_guc *guc)
> +{
> + u32 ads = intel_guc_ggtt_offset(guc, guc->ads_vma) >>
> PAGE_SHIFT;
> + u32 flags = ads << GUC_ADS_ADDR_SHIFT;
> +
> + return flags;
> +}
> +
> +static void guc11_prepare_params(struct intel_guc *guc, u32 *params)
> +{
> + params[GUC_CTL_CTXINFO] = guc_ctl_ctxinfo_flags(guc);
> + params[GUC_CTL_LOG_PARAMS] = guc_ctl_log_params_flags(guc);
> params[GUC_CTL_FEATURE] = guc_ctl_feature_flags(guc);
> - params[GUC_CTL_LOG_PARAMS] = guc_ctl_log_params_flags(guc);
> params[GUC_CTL_DEBUG] = guc_ctl_debug_flags(guc);
> - params[GUC_CTL_CTXINFO] = guc_ctl_ctxinfo_flags(guc);
> + params[GUC_CTL_ADS] = guc_ctl_ads_flags(guc);
> }
>
> static void guc_write_params(struct intel_guc *guc, const u32
> *params)
> @@ -367,10 +395,14 @@ static void guc_write_params(struct intel_guc
> *guc, const u32 *params)
> */
> void intel_guc_init_params(struct intel_guc *guc)
> {
> + struct drm_i915_private *i915 = guc_to_i915(guc);
> u32 params[GUC_CTL_MAX_DWORDS];
>
> memset(params, 0, sizeof(params));
> - guc_prepare_params(guc, params);
> + if (INTEL_GEN(i915) >= 11)
> + guc11_prepare_params(guc, params);
> + else
> + guc9_prepare_params(guc, params);
> guc_write_params(guc, params);
> }
>
> diff --git a/drivers/gpu/drm/i915/intel_guc_fwif.h
> b/drivers/gpu/drm/i915/intel_guc_fwif.h
> index 8382d59..7070e36 100644
> --- a/drivers/gpu/drm/i915/intel_guc_fwif.h
> +++ b/drivers/gpu/drm/i915/intel_guc_fwif.h
> @@ -71,44 +71,28 @@
> #define GUC_STAGE_DESC_ATTR_PCH BIT(6)
> #define GUC_STAGE_DESC_ATTR_TERMINATED BIT(7)
>
> -/* The guc control data is 10 DWORDs */
> +/* New GuC control data */
> #define GUC_CTL_CTXINFO 0
> #define GUC_CTL_CTXNUM_IN16_SHIFT 0
> #define GUC_CTL_BASE_ADDR_SHIFT 12
>
> -#define GUC_CTL_ARAT_HIGH 1
> -#define GUC_CTL_ARAT_LOW 2
> -
> -#define GUC_CTL_DEVICE_INFO 3
> -
> -#define GUC_CTL_LOG_PARAMS 4
> +#define GUC_CTL_LOG_PARAMS 1
> #define GUC_LOG_VALID (1 << 0)
> #define GUC_LOG_NOTIFY_ON_HALF_FULL (1 << 1)
> #define GUC_LOG_ALLOC_IN_MEGABYTE (1 << 3)
> #define GUC_LOG_CRASH_SHIFT 4
> -#define GUC_LOG_CRASH_MASK (0x1 <<
> GUC_LOG_CRASH_SHIFT)
> +#define GUC_LOG_CRASH_MASK (0x3 <<
> GUC_LOG_CRASH_SHIFT)
> #define GUC_LOG_DPC_SHIFT 6
> #define GUC_LOG_DPC_MASK (0x7 << GUC_LOG_DPC_SHIFT)
> #define GUC_LOG_ISR_SHIFT 9
> #define GUC_LOG_ISR_MASK (0x7 << GUC_LOG_ISR_SHIFT)
> #define GUC_LOG_BUF_ADDR_SHIFT 12
>
> -#define GUC_CTL_PAGE_FAULT_CONTROL 5
> -
> -#define GUC_CTL_WA 6
> -#define GUC_CTL_WA_UK_BY_DRIVER (1 << 3)
> +#define GUC_CTL_WA 2
> +#define GUC_CTL_FEATURE 3
> +#define GUC_CTL_DISABLE_SCHEDULER (1 << 14)
>
> -#define GUC_CTL_FEATURE 7
> -#define GUC_CTL_VCS2_ENABLED (1 << 0)
> -#define GUC_CTL_KERNEL_SUBMISSIONS (1 << 1)
> -#define GUC_CTL_FEATURE2 (1 << 2)
> -#define GUC_CTL_POWER_GATING (1 << 3)
> -#define GUC_CTL_DISABLE_SCHEDULER (1 << 4)
> -#define GUC_CTL_PREEMPTION_LOG (1 << 5)
> -#define GUC_CTL_ENABLE_SLPC (1 << 7)
> -#define GUC_CTL_RESET_ON_PREMPT_FAILURE (1 << 8)
> -
> -#define GUC_CTL_DEBUG 8
> +#define GUC_CTL_DEBUG 4
> #define GUC_LOG_VERBOSITY_SHIFT 0
> #define GUC_LOG_VERBOSITY_LOW (0 <<
> GUC_LOG_VERBOSITY_SHIFT)
> #define GUC_LOG_VERBOSITY_MED (1 <<
> GUC_LOG_VERBOSITY_SHIFT)
> @@ -121,13 +105,28 @@
> #define GUC_LOG_DESTINATION_MASK (3 << 4)
> #define GUC_LOG_DISABLED (1 << 6)
> #define GUC_PROFILE_ENABLED (1 << 7)
> -#define GUC_WQ_TRACK_ENABLED (1 << 8)
> -#define GUC_ADS_ENABLED (1 << 9)
> -#define GUC_LOG_DEFAULT_DISABLED (1 << 10)
> -#define GUC_ADS_ADDR_SHIFT 11
> -#define GUC_ADS_ADDR_MASK 0xfffff800
> -
> -#define GUC_CTL_RSRVD 9
> +#define GUC9_WQ_TRACK_ENABLED (1 << 8)
> +#define GUC9_ADS_ENABLED (1 << 9)
> +#define GUC9_LOG_DEFAULT_DISABLED (1 << 10)
> +#define GUC9_ADS_ADDR_SHIFT 11
> +#define GUC9_ADS_ADDR_MASK 0xfffff800
> +
> +#define GUC_CTL_ADS 5
> +#define GUC_ADS_ADDR_SHIFT 1
> +#define GUC_ADS_ADDR_MASK (0xFFFFF <<
> GUC_ADS_ADDR_SHIFT)
> +
> +/* Legacy GuC control data */
> +#define GUC9_CTL_ARAT_HIGH 1
> +#define GUC9_CTL_ARAT_LOW 2
> +#define GUC9_CTL_DEVICE_INFO 3
> +#define GUC9_CTL_LOG_PARAMS 4
> +#define GUC9_CTL_PAGE_FAULT_CONTROL 5
> +#define GUC9_CTL_WA 6
> +#define GUC9_CTL_WA_UK_BY_DRIVER (1 << 3)
> +#define GUC9_CTL_FEATURE 7
> +#define GUC9_CTL_VCS2_ENABLED (1 << 0)
> +#define GUC9_CTL_DISABLE_SCHEDULER (1 << 4)
> +#define GUC9_CTL_DEBUG 8
>
> #define GUC_CTL_MAX_DWORDS (SOFT_SCRATCH_COUNT - 2)
> /* [1..14] */
>
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