brcm2708: remove linux 4.4 support

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 0 insertions, 176 deletions

diff --git a/target/linux/brcm2708/patches-4.4/0476-drm-vc4-Move-validation-s-current-max-ip-into-the-va.patch b/target/linux/brcm2708/patches-4.4/0476-drm-vc4-Move-validation-s-current-max-ip-into-the-va.patch
deleted file mode 100644
index b1928f51d2..0000000000
--- a/target/linux/brcm2708/patches-4.4/0476-drm-vc4-Move-validation-s-current-max-ip-into-the-va.patch
+++ /dev/null
@@ -1,176 +0,0 @@
-From 84aa70ecf6b01741fda8211e050fce3f8075ea2d Mon Sep 17 00:00:00 2001
-From: Eric Anholt <eric@anholt.net>
-Date: Sat, 2 Jul 2016 09:57:07 -0700
-Subject: [PATCH] drm/vc4: Move validation's current/max ip into the validation
- struct.
-
-Reduces the argument count for some of the functions, and will be used
-more with the upcoming looping support.
-
-Signed-off-by: Eric Anholt <eric@anholt.net>
-(cherry picked from commit d0566c2a2f2baacefe1eb75be8a001fdd6fe84a3)
----
- drivers/gpu/drm/vc4/vc4_validate_shaders.c | 54 +++++++++++++++++-------------
- 1 file changed, 30 insertions(+), 24 deletions(-)
-
---- a/drivers/gpu/drm/vc4/vc4_validate_shaders.c
-+++ b/drivers/gpu/drm/vc4/vc4_validate_shaders.c
-@@ -40,6 +40,14 @@
- #include "vc4_qpu_defines.h"
- 
- struct vc4_shader_validation_state {
-+	/* Current IP being validated. */
-+	uint32_t ip;
-+
-+	/* IP at the end of the BO, do not read shader[max_ip] */
-+	uint32_t max_ip;
-+
-+	uint64_t *shader;
-+
- 	struct vc4_texture_sample_info tmu_setup[2];
- 	int tmu_write_count[2];
- 
-@@ -129,11 +137,11 @@ record_texture_sample(struct vc4_validat
- }
- 
- static bool
--check_tmu_write(uint64_t inst,
--		struct vc4_validated_shader_info *validated_shader,
-+check_tmu_write(struct vc4_validated_shader_info *validated_shader,
- 		struct vc4_shader_validation_state *validation_state,
- 		bool is_mul)
- {
-+	uint64_t inst = validation_state->shader[validation_state->ip];
- 	uint32_t waddr = (is_mul ?
- 			  QPU_GET_FIELD(inst, QPU_WADDR_MUL) :
- 			  QPU_GET_FIELD(inst, QPU_WADDR_ADD));
-@@ -228,11 +236,11 @@ check_tmu_write(uint64_t inst,
- }
- 
- static bool
--check_reg_write(uint64_t inst,
--		struct vc4_validated_shader_info *validated_shader,
-+check_reg_write(struct vc4_validated_shader_info *validated_shader,
- 		struct vc4_shader_validation_state *validation_state,
- 		bool is_mul)
- {
-+	uint64_t inst = validation_state->shader[validation_state->ip];
- 	uint32_t waddr = (is_mul ?
- 			  QPU_GET_FIELD(inst, QPU_WADDR_MUL) :
- 			  QPU_GET_FIELD(inst, QPU_WADDR_ADD));
-@@ -261,7 +269,7 @@ check_reg_write(uint64_t inst,
- 	case QPU_W_TMU1_T:
- 	case QPU_W_TMU1_R:
- 	case QPU_W_TMU1_B:
--		return check_tmu_write(inst, validated_shader, validation_state,
-+		return check_tmu_write(validated_shader, validation_state,
- 				       is_mul);
- 
- 	case QPU_W_HOST_INT:
-@@ -294,10 +302,10 @@ check_reg_write(uint64_t inst,
- }
- 
- static void
--track_live_clamps(uint64_t inst,
--		  struct vc4_validated_shader_info *validated_shader,
-+track_live_clamps(struct vc4_validated_shader_info *validated_shader,
- 		  struct vc4_shader_validation_state *validation_state)
- {
-+	uint64_t inst = validation_state->shader[validation_state->ip];
- 	uint32_t op_add = QPU_GET_FIELD(inst, QPU_OP_ADD);
- 	uint32_t waddr_add = QPU_GET_FIELD(inst, QPU_WADDR_ADD);
- 	uint32_t waddr_mul = QPU_GET_FIELD(inst, QPU_WADDR_MUL);
-@@ -369,10 +377,10 @@ track_live_clamps(uint64_t inst,
- }
- 
- static bool
--check_instruction_writes(uint64_t inst,
--			 struct vc4_validated_shader_info *validated_shader,
-+check_instruction_writes(struct vc4_validated_shader_info *validated_shader,
- 			 struct vc4_shader_validation_state *validation_state)
- {
-+	uint64_t inst = validation_state->shader[validation_state->ip];
- 	uint32_t waddr_add = QPU_GET_FIELD(inst, QPU_WADDR_ADD);
- 	uint32_t waddr_mul = QPU_GET_FIELD(inst, QPU_WADDR_MUL);
- 	bool ok;
-@@ -382,12 +390,10 @@ check_instruction_writes(uint64_t inst,
- 		return false;
- 	}
- 
--	ok = (check_reg_write(inst, validated_shader, validation_state,
--			      false) &&
--	      check_reg_write(inst, validated_shader, validation_state,
--			      true));
-+	ok = (check_reg_write(validated_shader, validation_state, false) &&
-+	      check_reg_write(validated_shader, validation_state, true));
- 
--	track_live_clamps(inst, validated_shader, validation_state);
-+	track_live_clamps(validated_shader, validation_state);
- 
- 	return ok;
- }
-@@ -417,30 +423,30 @@ vc4_validate_shader(struct drm_gem_cma_o
- {
- 	bool found_shader_end = false;
- 	int shader_end_ip = 0;
--	uint32_t ip, max_ip;
--	uint64_t *shader;
-+	uint32_t ip;
- 	struct vc4_validated_shader_info *validated_shader;
- 	struct vc4_shader_validation_state validation_state;
- 	int i;
- 
- 	memset(&validation_state, 0, sizeof(validation_state));
-+	validation_state.shader = shader_obj->vaddr;
-+	validation_state.max_ip = shader_obj->base.size / sizeof(uint64_t);
- 
- 	for (i = 0; i < 8; i++)
- 		validation_state.tmu_setup[i / 4].p_offset[i % 4] = ~0;
- 	for (i = 0; i < ARRAY_SIZE(validation_state.live_min_clamp_offsets); i++)
- 		validation_state.live_min_clamp_offsets[i] = ~0;
- 
--	shader = shader_obj->vaddr;
--	max_ip = shader_obj->base.size / sizeof(uint64_t);
--
- 	validated_shader = kcalloc(1, sizeof(*validated_shader), GFP_KERNEL);
- 	if (!validated_shader)
- 		return NULL;
- 
--	for (ip = 0; ip < max_ip; ip++) {
--		uint64_t inst = shader[ip];
-+	for (ip = 0; ip < validation_state.max_ip; ip++) {
-+		uint64_t inst = validation_state.shader[ip];
- 		uint32_t sig = QPU_GET_FIELD(inst, QPU_SIG);
- 
-+		validation_state.ip = ip;
-+
- 		switch (sig) {
- 		case QPU_SIG_NONE:
- 		case QPU_SIG_WAIT_FOR_SCOREBOARD:
-@@ -450,7 +456,7 @@ vc4_validate_shader(struct drm_gem_cma_o
- 		case QPU_SIG_LOAD_TMU1:
- 		case QPU_SIG_PROG_END:
- 		case QPU_SIG_SMALL_IMM:
--			if (!check_instruction_writes(inst, validated_shader,
-+			if (!check_instruction_writes(validated_shader,
- 						      &validation_state)) {
- 				DRM_ERROR("Bad write at ip %d\n", ip);
- 				goto fail;
-@@ -467,7 +473,7 @@ vc4_validate_shader(struct drm_gem_cma_o
- 			break;
- 
- 		case QPU_SIG_LOAD_IMM:
--			if (!check_instruction_writes(inst, validated_shader,
-+			if (!check_instruction_writes(validated_shader,
- 						      &validation_state)) {
- 				DRM_ERROR("Bad LOAD_IMM write at ip %d\n", ip);
- 				goto fail;
-@@ -487,7 +493,7 @@ vc4_validate_shader(struct drm_gem_cma_o
- 			break;
- 	}
- 
--	if (ip == max_ip) {
-+	if (ip == validation_state.max_ip) {
- 		DRM_ERROR("shader failed to terminate before "
- 			  "shader BO end at %zd\n",
- 			  shader_obj->base.size);