Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit e57f1c02 authored by Mahesh Kumar's avatar Mahesh Kumar Committed by Maarten Lankhorst
Browse files

drm/i915/gen9+: Add has_ipc flag in device info structure 



New Isochronous Priority Control (IPC) capability is introduced in newer
GEN platforms. This patch adds a device info flag to indicate if platform
supports IPC. Patch also sets this flag in supported platforms.

Signed-off-by: default avatarMahesh Kumar <mahesh1.kumar@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: default avatarMaarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: default avatarMaarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170817134529.2839-7-mahesh1.kumar@intel.com
parent d86ba628

drivers/gpu/drm/i915/i915_drv.h

+4 −1
Original line number Diff line number Diff line
@@ -798,7 +798,8 @@ struct intel_csr { 
	func(cursor_needs_physical); \

	func(hws_needs_physical); \

	func(overlay_needs_physical); \

	func(supports_tv);

	func(supports_tv); \

	func(has_ipc);



struct sseu_dev_info {

	u8 slice_mask;
@@ -3119,6 +3120,8 @@ intel_info(const struct drm_i915_private *dev_priv) 
#define HAS_RUNTIME_PM(dev_priv) ((dev_priv)->info.has_runtime_pm)

#define HAS_64BIT_RELOC(dev_priv) ((dev_priv)->info.has_64bit_reloc)



#define HAS_IPC(dev_priv)		 ((dev_priv)->info.has_ipc)



/*

 * For now, anything with a GuC requires uCode loading, and then supports

 * command submission once loaded. But these are logically independent

drivers/gpu/drm/i915/i915_pci.c

+4 −0
Original line number Diff line number Diff line
@@ -482,6 +482,7 @@ static const struct intel_device_info intel_skylake_gt4_info __initconst = { 
	.has_full_48bit_ppgtt = 1, \

	.has_reset_engine = 1, \

	.has_snoop = true, \

	.has_ipc = 1, \

	GEN_DEFAULT_PIPEOFFSETS, \

	IVB_CURSOR_OFFSETS, \

	BDW_COLORS
@@ -505,6 +506,7 @@ static const struct intel_device_info intel_geminilake_info __initconst = { 
	.platform = INTEL_KABYLAKE, \

	.has_csr = 1, \

	.has_guc = 1, \

	.has_ipc = 1, \

	.ddb_size = 896



static const struct intel_device_info intel_kabylake_gt1_info __initconst = {
@@ -530,6 +532,7 @@ static const struct intel_device_info intel_kabylake_gt3_info __initconst = { 
	.platform = INTEL_COFFEELAKE, \

	.has_csr = 1, \

	.has_guc = 1, \

	.has_ipc = 1, \

	.ddb_size = 896



static const struct intel_device_info intel_coffeelake_gt1_info __initconst = {
@@ -556,6 +559,7 @@ static const struct intel_device_info intel_cannonlake_gt2_info __initconst = { 
	.gt = 2,

	.ddb_size = 1024,

	.has_csr = 1,

	.has_ipc = 1,

	.color = { .degamma_lut_size = 0, .gamma_lut_size = 1024 }

};