drm/i915: Store cpu_transcoder_mask in device info

We have a bunch of code that would like to know which
CPU transcoders are actually present in the hardware. Rather than
use various ad-hoc methods let's just include a full bitmask in
the device info, alongside pipe_mask.

v2: Rebase

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200318170235.15176-1-ville.syrjala@linux.intel.com
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>

1 files changed, 22 insertions, 1 deletions

diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index 2c80a0194c80..66738f2c4f28 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -160,6 +160,7 @@
 	GEN(2), \
 	.is_mobile = 1, \
 	.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
+	.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
 	.display.has_overlay = 1, \
 	.display.cursor_needs_physical = 1, \
 	.display.overlay_needs_physical = 1, \
@@ -179,6 +180,7 @@
 #define I845_FEATURES \
 	GEN(2), \
 	.pipe_mask = BIT(PIPE_A), \
+	.cpu_transcoder_mask = BIT(TRANSCODER_A), \
 	.display.has_overlay = 1, \
 	.display.overlay_needs_physical = 1, \
 	.display.has_gmch = 1, \
@@ -218,6 +220,7 @@ static const struct intel_device_info i865g_info = {
 #define GEN3_FEATURES \
 	GEN(3), \
 	.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
+	.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
 	.display.has_gmch = 1, \
 	.gpu_reset_clobbers_display = true, \
 	.engine_mask = BIT(RCS0), \
@@ -303,6 +306,7 @@ static const struct intel_device_info pnv_m_info = {
 #define GEN4_FEATURES \
 	GEN(4), \
 	.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
+	.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
 	.display.has_hotplug = 1, \
 	.display.has_gmch = 1, \
 	.gpu_reset_clobbers_display = true, \
@@ -354,6 +358,7 @@ static const struct intel_device_info gm45_info = {
 #define GEN5_FEATURES \
 	GEN(5), \
 	.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
+	.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
 	.display.has_hotplug = 1, \
 	.engine_mask = BIT(RCS0) | BIT(VCS0), \
 	.has_snoop = true, \
@@ -381,6 +386,7 @@ static const struct intel_device_info ilk_m_info = {
 #define GEN6_FEATURES \
 	GEN(6), \
 	.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
+	.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
 	.display.has_hotplug = 1, \
 	.display.has_fbc = 1, \
 	.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0), \
@@ -430,6 +436,7 @@ static const struct intel_device_info snb_m_gt2_info = {
 #define GEN7_FEATURES  \
 	GEN(7), \
 	.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C), \
+	.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | BIT(TRANSCODER_C), \
 	.display.has_hotplug = 1, \
 	.display.has_fbc = 1, \
 	.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0), \
@@ -482,6 +489,7 @@ static const struct intel_device_info ivb_q_info = {
 	PLATFORM(INTEL_IVYBRIDGE),
 	.gt = 2,
 	.pipe_mask = 0, /* legal, last one wins */
+	.cpu_transcoder_mask = 0,
 	.has_l3_dpf = 1,
 };
 
@@ -490,6 +498,7 @@ static const struct intel_device_info vlv_info = {
 	GEN(7),
 	.is_lp = 1,
 	.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B),
+	.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B),
 	.has_runtime_pm = 1,
 	.has_rc6 = 1,
 	.has_rps = true,
@@ -511,6 +520,8 @@ static const struct intel_device_info vlv_info = {
 #define G75_FEATURES  \
 	GEN7_FEATURES, \
 	.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0), \
+	.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | \
+		BIT(TRANSCODER_C) | BIT(TRANSCODER_EDP), \
 	.display.has_ddi = 1, \
 	.has_fpga_dbg = 1, \
 	.display.has_psr = 1, \
@@ -581,6 +592,7 @@ static const struct intel_device_info chv_info = {
 	PLATFORM(INTEL_CHERRYVIEW),
 	GEN(8),
 	.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C),
+	.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | BIT(TRANSCODER_C),
 	.display.has_hotplug = 1,
 	.is_lp = 1,
 	.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0),
@@ -656,6 +668,9 @@ static const struct intel_device_info skl_gt4_info = {
 	.display.has_hotplug = 1, \
 	.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0), \
 	.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C), \
+	.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | \
+		BIT(TRANSCODER_C) | BIT(TRANSCODER_EDP) | \
+		BIT(TRANSCODER_DSI_A) | BIT(TRANSCODER_DSI_C), \
 	.has_64bit_reloc = 1, \
 	.display.has_ddi = 1, \
 	.has_fpga_dbg = 1, \
@@ -759,6 +774,9 @@ static const struct intel_device_info cnl_info = {
 #define GEN11_FEATURES \
 	GEN10_FEATURES, \
 	GEN11_DEFAULT_PAGE_SIZES, \
+	.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | \
+		BIT(TRANSCODER_C) | BIT(TRANSCODER_EDP) | \
+		BIT(TRANSCODER_DSI_0) | BIT(TRANSCODER_DSI_1), \
 	.pipe_offsets = { \
 		[TRANSCODER_A] = PIPE_A_OFFSET, \
 		[TRANSCODER_B] = PIPE_B_OFFSET, \
@@ -799,6 +817,10 @@ static const struct intel_device_info ehl_info = {
 #define GEN12_FEATURES \
 	GEN11_FEATURES, \
 	GEN(12), \
+	.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D), \
+	.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | \
+		BIT(TRANSCODER_C) | BIT(TRANSCODER_D) | \
+		BIT(TRANSCODER_DSI_0) | BIT(TRANSCODER_DSI_1), \
 	.pipe_offsets = { \
 		[TRANSCODER_A] = PIPE_A_OFFSET, \
 		[TRANSCODER_B] = PIPE_B_OFFSET, \
@@ -822,7 +844,6 @@ static const struct intel_device_info ehl_info = {
 static const struct intel_device_info tgl_info = {
 	GEN12_FEATURES,
 	PLATFORM(INTEL_TIGERLAKE),
-	.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D),
 	.display.has_modular_fia = 1,
 	.engine_mask =
 		BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),